Series regulars or semi-regulars in 'O'Hara, U.S. Treasury' from 1970-1982:
- David Janssen as Jim O'Hara (1971-1972)
1970-1982 Episode Guide for 'O'Hara, U.S. Treasury':
(Episodes with dates prior to 1970 aired as reruns.)
Season 1, episode 1
W: Robert I. Holt, Gilbert Ralston D: Gerald Mayer
With George Takei (Joe Lew), Angel Tompkins (Diana), William Campbell (Arnie Christenson), Eric Braeden (Vincent Gerber), Stanley Adams (Ell Brown), Stacey Harris (Agent Hazzard), Felton Perry (Billy Trent), Edward Faulkner (Ike Carter).
David Janssen returns to weekly TV in a series produced with the approval of the Department of the Treasury. Janssen stars as Special Agent Jim O'Hara. In the first episode, Jim and an assistant agent pose as operators of an import business in order to track down smugglers of heroin from the Orient.
Season 1, episode 2
W: William P. McGivern D: Allen Reisner
With Richard Anderson (Agent Schurz), Ross Hagen (Delane), Billy Halop (Bart), Albert Popwell (Hughes), Don 'Red' Barry (Harry), Tol Avery (J.D. Morgan), Lawrence Dobkin (Monte Jackson), Raymond Mayo (Neely), Pilar Seurat (Juanita Rivera).
Agent Jim O'Hara goes undercover to trap a group of exiles who are trying to get firearms.
Season 1, episode 3
W: Fletcher Beaumont D: Sam C. Freedle
With Dorothy Green (Jacqueline Wells), Tony Young (Johnny Winters), Berkeley Harris (Todd Cramer), Karen Machon (Louise Hall), Alan Baxter (Walter Mason), Clark Howat (Doug Miller), Yale Summers (Agent).
After arresting a forger when she tries to cash some stolen U.S. Savings Bonds, O'Hara persuades her to lead him to her bond source.
Season 1, episode 4
W: Robert I. Holt D: Allen Reisner
With Paul Picerni (Inspector Miller), Marc Hannibal (Inspector Barner), William Stevens (Supervisor McGill), Russell Johnson (Agent Wells), Robert Patten (Inspector Smith), Victor Buono (Al Connors), John Randolph (Thomas J. Gault), Patti Heider (Amy Wells), Frank Gorshin (Little Willie), Erin Moran (Girl).
A pair of small time crooks dream of striking it rich, and see their chance in an extortion plot that will sacrifice the career of a Treasury agent.
Season 1, episode 5
W: William P. McGivern D: Lawrence Dobkin
With Sam Edwards (Oscar Sims), Virginia Gregg (Mrs. Adams), Paul Petersen (Fred Cope), Kevin Coughlin (Jackson Croft), Vince Howard (Ed Monroe), Kenneth Washington (Marv Dixon), James Wainwright (Dave Shaw), Sian Barbara Allen (Sheridan Lee), Warner Anderson (Harley Buchanan).
Agent O'Hara poses as a drifter in an effort to join a small band of flower children in the desert to learn where in a nearby metropolis they've planted a bomb.
Season 1, episode 6
W: Hank Searls, Richard Carlson D: Richard Moder
With Alex Dreier (Hippo LaMere), Bruce Bennett (Agent Myers), Richard Jaeckel (Barth), Marilyn Maxwell (Paradise Ryan), Ian Abercrombie (Mike), Buck Young (Agent Wiley), John Harmon (Symon Foss).
Agent O'Hara encounters an aging burlesque queen-turned-counterfeiter when he goes undercover to break up a phony currency gang.
Season 1, episode 7
W: David H. Vowell D: James Neilson
With Valentin de Vargas (Enrique Chavez), Robert Mandan (Thomas Jorgens), Rodolfo Acosta (Cesar Dominguez), Jack Carter (Gypsy Jimmy), R.L. Armstrong (The Talker), Ed Deemer (Inspector), Nico Minardos, Sallie Shockley.
A carnival pitchman seems on the verge of revealing O'Hara's "cover" as he attempts to trail a half-million dollars' worth of heroin through Mexico to the U.S.
Season 1, episode 8
W: Richard Carlson D: Alan Crosland
With Jo Anne Meredith (Janet Bryce), Larry Pennell (Agent Wade), Mel Scott (Agent Donaldson), Judson Pratt (Forman), Robert Colbert (Alan Bryce), Peter Brown (Agent Herron), Ella Edwards (Mary Smith), Morgan Jones (Agent Jones), Whit Bissell (Magistrate), Kenneth Tobey (Colonel Phillips), John Sebastian (Man), Harry Lewis (Jack), David Brian (The Big Guy).
When a professional sports bettor's wife tells O'Hara that her husband may be a tax evader, he expects to find a network of such evaders attached to organized crime.
Season 1, episode 9
W: Jack Turley D: Paul Krasny
With Rodolfo Hoyos Jr. (Chico Valdez), Carmen Zapata (Maria Valdez), Marion Ross (Sandy), James Daris (Vincent Perl), Paul Mantee (Frank Case), Paul Carr (Howard Barkley), Victor French (Paris Kohler), Douglas Fowley (Addison Harper), Thomas A. Geas (Restauant Owner), Don Ross (Patrolman).
Posing as a truck driver, O'Hara bluffs his way into driving a van loaded with stolen government high explosives.
Season 1, episode 10
W: Herman Groves D: Sam C. Freedle
With William Elliott (Les Williams), Alan Baxter (Paul Fedderson), Ed Peck (Airport Security), Richard Tate (Pete McAdams), Robert Clarke (Eliot Wyndham), Leo Gordon (Harry Wilson), Joe E. Tata (Dick Miles), Edward Faulkner (Sgt. Wall), Boyd Holister (Hodges), Stacy Harris (Agent Hazzard), Milton Selzer (Bad Guy), Judy Pace (Mrs. Williams).
Agent O'Hara goes undercover as an air-cargo handler to solve the thefts of imported merchandise.
Season 1, episode 11
W: Gilbert Ralston D: Alan Crosland
With Bing Russell (Bob Rasmussen), Russ Conway (Mr. Hansen), Frank Ferguson (Fred Hoxie), Virginia Gregg (Elinor Hoxie), James Westerfield (Deputy Phillips), George Ives (Clifford Spry), Don 'Red' Barry (Sheriff), Ron Foster (Al Ellis), Lorraine Gary (Mrs. Madrid), David Friedkin (Burton T. Craig).
While probing for evidence of Federal income tax violations by a wealthy man, agent O'Hara becomes the target of veiled threats against his life by citizens of a small town.
Season 1, episode 12
W: Herb Purdum D: Daniel Haller
With Claudio Martinez (Elfrego), Robert Patten (Ed Miller), Pepe Hern (Santiago Bustamente), Marc Hannibal (Al Crisp), Francis DeSales (William Teal), Alan Dexter (Richard S. King), William Stevens (Glen Mackey), John Lupton (Edward Bell), Mitchell Ryan (Agent Fletcher), Dennis Patrick (Agent Dalton), Harry Townes (E.J. Wallace), Joanna Barnes (Hannah).
O'Hara presents himself to a crime czar as an avaricious Internal Revenue Service official eager to attempt large-scale bribery in return for assuring the mobster that he can get away with large-scale tax evasion.
Season 1, episode 13
W: Robert I. Holt, James E. Moser D: Paul Landres
With Kay Stewart (Clara Hansen), Ross Elliott (Dr. Snyder), Sherry Boucher (Ginnie Mae Watkins), Dabbs Greer (Billy Jack), Katie O'Pace (Martha Lizbeth Tidwell), Judith Brown (Ruthie Ann Watkins), Paul Comi (Gus Petroni), Alan Hale Jr. (Agent), Jim B. Smith (Vin Hefferman), Will Geer (Tidwell), Russell Wiggins (Pete Harper).
Agent O'Hara goes after those responsible for lead-contaminated moonshine whiskey that has killed six people in a Southern town.
Season 1, episode 14
W: William P. McGivern D: Ron Winston
With Carl Esmond (August Werner), Charles McGraw (Tom Kleyberg), Lindsay Wagner (Edie Lang), Ed Nelson (Lester Martin), Gary Crosby (John Werner), Ken Lynch (Col. Wescott), Jason Wingreen (Ed Michaels), Sid Haig (Ward), Buddy Lester (Peter Fareson), Jon Kowal (Dan Sykes).
Agent Jim O'Hara poses as an arms dealer to pursue the source of an unfamiliar machine gun model that is turning up illegally in the hands of criminal elements in various parts of the nation.
Season 1, episode 15
W: Bill Rega D: Sam C. Freedle
With Don Haggerty (Zig Halfer), H.M. Wynant (Arnie Press), Betty White (Herself), Allen Ludden (Himself), Francine York (Diane), Ricardo Montalban (Rick Morris), Lyle Talbot (Art Prescott), Barney Phillips (Al Reid), Colby Chester (Burt Hale), Henry Brandon (Ham Jason), Lyle Bettger, Marjorie Bennett (Agnes Howett).
A compulsive gambler turned bumbling crook is both an essential ally and a calamitous hazard to agent O'Hara's attempt to corral a ring of bigtime counterfeiters.
Season 1, episode 16
W: Jackson Gillis, Robert I. Holt D: James Neilson
With Larry Linville (Detective Pierce), Michael Larrain (Chris Kuyper), Charles Knox Robinson (Agent), Leslie Charleson (Helga Kuyper), Felton Perry (Don Eberly), Ben Wright (Uncle Hans), Karl Swenson (Otto Schurman), Fred Holliday (Stan Carver), Jack Collins (John Benson).
Jim O'Hara launches an investigation to find a smuggler that is suspected of three brutal murders.
Season 1, episode 17
W: David H. Vowell D: Alan Crosland
With John Abbott (Stephen Ravazian), Linda Marsh (Rebecca Kent), Joseph Wiseman (Armand Pringle), Robert DoQui (Paul Stoddard), Hari Rhodes (Rouchinet), Joe E. Tata (Ted Wilson), Nate Esformes (Schiller), Jay Robinson (George Cadlin), Jess Barker (Harold Stoneman).
While he accompanies a diamond broker to Africa in order to investigate what the man claims is a diamond-smuggling plot in which he is an unwilling accomplice, O'Hara is nagged by the suspicion that the broker is setting him up.
Season 1, episode 18
W: Richard Carlson D: Lawrence Dobkin
With Jessica Tandy (Genevieve), William Bramley (Grover Potter), Hedley Mattingly (Val Valentine), Paul Picerni (Bill Clark), Hans Conried (Count Anton Brelius), Doris Dowling (Judge Dugan), Donnelly Rhodes (Johnny Guizet), Patty McCormack (Gilda Julian), Maurice Marsac (Papa Guizet), Martin Kosleck (Dr. Vogel), Michael Fox (Dr. Julian).
An elderly but peppery former Parisian artist's model becomes essential to O'Hara's attempt to build an income tax evasion case against a racketeer specializing in art swindles.
Season 1, episode 19
W: James Doherty D: Sam C. Freedle
With Nancy Wilson (Poppy Grant), Edward Andrews (Austin Bailey), Brock Peters (Jess Florian), Godfrey Cambridge (Win Ethan), Richard Roat (Stanley Turner), Yvonne Craig (Inez Malcolm), Barbara Rhoades (Tina Grace), Tony Monaco (Inspector Cheney), Jimmy Lydon (Lee Foster), Alan Dexter (Richard S. King).
The wife of a nightclub comic reports to O'Hara that her husband has arranged to deliver a $30,000 bribe to an Internal Revenue Service man in return for the cancellation of a scheduled IRS audit of his income.
Season 1, episode 20
W: Tony Patino D: Alan Crosland
With Dana Wynter (Mrs. Merrill), Norman Lloyd (Mr. Felix), Warren Stevens (Radek), Judy McConnell (Jane), Louis Prima (Iron Lips), Carlos Romero (Peter Wade), Clark Howat (Rusty Gates), Sarah Kennedy (Mrs. Moscrip).
Agent O'Hara pursues an engraver and printer of high-grade counterfeit currency to save the fugitive's life as well as to bring him to justice.
Season 1, episode 21
W: Dick Morgan D: Richard Moder
With Martha Hyer (Laura Albin), Ahna Capri (Jean Houser), Scott Walker (Vic Dondine), John Larch (Mike Albin), Robert Mandan (George Landy), Sid McCoy (Councilman Hellman), Larry Pennell (Charles Donaldson).
The embittered wife of an organized crime racketeer decides to get even with her philandering spouse by tipping the IRS to his large-scale tax-evasion activities.
Season 1, episode 22
W: Dan Ullman D: James Neilson
With Don Stroud (Willie Smth), Leslie Parrish (Olga), Jack Ging (Arthur Harlan), Carl Ballantine (Doc Ellery), Norman Fell (Leo Walsh), Paul Picerni (Bill Clark), Len Wayland (Walter Land).
Agent O'Hara goes to school to learn the trade and then hires on as a dealer in a desert casino, all for the purpose of trying to get evidence of income tax evasion against a tycoon. (Last show of the series.)