Acting
- 1995Caroline in the CityMayor Paisley1 ep.
- 1995Hope and GloriaBill1 ep.
- 1993Good AdviceMan in Bookstore1 ep.
- 1991Harry and the HendersonsAndrew Henderson1 ep.
- 1989Doogie Howser, M.D.Phil1 ep.
- 1989The New Lassie1 ep.
- 1985The New Alfred Hitchcock PresentsEverett1 ep.
- 1985Growing PainsUncle Bob1 ep.
- 1985Hollywood Beat1 ep.
- 1985Lime Street1 ep.
- 1985The Golden GirlsMalcolm Gordon1 ep.
- 1984Charles in ChargeWalter Powell104 ep.
- 1983Automan1 ep.
- 1982Remington SteeleEmmett DeVore1 ep.
- 1982Knight RiderJeff Barnes2 ep.
- 1982Tales of the Gold Monkey1 ep.
- 1982Fame1 ep.
- 1981Simon & Simon1 ep.
- 1980Freebie and the Bean1 ep.
- 1980Bosom Buddies1 ep.
- 1979The Ropers1 ep.
- 1979Studs LoniganMoxey3 ep.
- 1978The RunawaysSgt. Hal Grady13 ep.
- 1977Lou Grant3 ep.
- 1976CPO Sharkey1 ep.
- 1976Quincy, M.E.2 ep.
- 1976Baa Baa Black SheepCol. Maurice Parker1 ep.
- 1976Alice2 ep.
- 1976McNaughton's DaughterLew Farragut3 ep.
- 1976The Practice1 ep.
- 1975Doctors' Hospital1 ep.
- 1974Sons and Daughters1 ep.
- 1967The InvadersEd Gidney2 ep.
- 1966The Time TunnelEnsign Beard1 ep.
- 1965ConvoyDick O'Connell13 ep.
- 1964Profiles in CourageBarnes1 ep.
- 196412 O'Clock HighMaj. Zach Temple1 ep.
- 1964Wendy and Me34 ep.
- 1963The Great AdventureJosh1 ep.
- 1963The FugitiveJoe Donovan2 ep.
- 1963Breaking Point1 ep.
- 1963The Lieutenant1 ep.
- 1962Combat!Reicher1 ep.
- 1962Stoney Burke1 ep.
- 1962General Electric True1 ep.
- 1961Dr. KildareDr. Yates Atkinson6 ep.
- 1960The Case of the Dangerous RobinTed Baylor1 ep.
- 1959Not for Hire3 ep.
- 1959The Detectives1 ep.
- 1952Death Valley DaysPrivate Riggs (as James Callahan)1 ep.
Guest appearances
- 20067th HeavenFather Mulligan1 ep.
- 2005MediumJury Foreman1 ep.
- 1997EROliver2 ep.
- 1999The PracticeTrevor Wayne1 ep.
- 1996CybillFather Lindeman1 ep.
- 1996Caroline in the CityMayor Paisley1 ep.
- 1995Hope and GloriaBill1 ep.
- 1993Harry and the HendersonsAndrew Henderson1 ep.
- 1993Good AdviceMan in Bookstore1 ep.
- 1992The Golden GirlsMalcolm Gordon1 ep.
- 1991Doogie Howser, M.D.Phil1 ep.
- 1990The New Lassie1 ep.
- 1986Amazing StoriesErhardt1 ep.
- 1986Growing PainsUncle Bob1 ep.
- 1986Highway to Heaven1 ep.
- 1985NewhartWally1 ep.
- 1985The New Alfred Hitchcock PresentsEverett1 ep.
- 1985Lime Street1 ep.
- 1982Knight RiderJeff Barnes, Sheriff Bruckner2 ep.
- 1984The A-TeamDr. Fallone1 ep.
- 1984Automan1 ep.
- 1984Fame1 ep.
- 1983Remington SteeleEmmett DeVore1 ep.
- 1983Tales of the Gold Monkey1 ep.
- 1980Quincy, M.E.2 ep.
- 1982Simon & Simon1 ep.
- 1981Alice2 ep.
- 1980Lou Grant3 ep.
- 1981Freebie and the Bean1 ep.
- 1981Bosom Buddies1 ep.
- 1980The Ropers1 ep.
- 1978Baa Baa Black SheepCol. Maurice Parker1 ep.
- 1977The Rockford FilesLeslie Hartman1 ep.
- 1976CPO Sharkey1 ep.
- 1976The Practice1 ep.
- 1975Police Story1 ep.
- 1975Doctors' Hospital1 ep.
- 1975Cannon1 ep.
- 1974Sons and Daughters1 ep.
- 1973M*A*S*HTommy Gillis1 ep.
- 1972Love, American StyleJim1 ep.
- 1969Adam-12Miles Wellman1 ep.
- 1967The F.B.I.Richard Lenk, Richard Schaefer2 ep.
- 1967The InvadersDr. Harry Mills, Ed Gidney2 ep.
- 1967Run for Your LifeMajor Ted Fowler1 ep.
- 1966The FugitiveJoe Donovan, Russ Haynes2 ep.
- 1966The Time TunnelEnsign Beard1 ep.
- 196612 O'Clock HighMaj. Zach Temple1 ep.
- 1965Profiles in CourageBarnes1 ep.
- 1964Breaking Point1 ep.
- 1964Ben CaseyLarry McKay1 ep.
- 1962Dr. KildareDr. Yates Atkinson6 ep.
- 1964The Great AdventureJosh1 ep.
- 1963The Twilight ZoneDoug Kirk1 ep.
- 1963The Lieutenant1 ep.
- 1963Combat!Reicher1 ep.
- 1962General Electric True1 ep.
- 1962Stoney Burke1 ep.
- 1962General Electric TheaterFloyd Wright1 ep.
- 1962Have Gun, Will Travel1 ep.
- 1962Route 661 ep.
- 1959Perry MasonFred Carlyle, Police Officer Wilson2 ep.
- 1961The Detectives1 ep.
- 1960The Case of the Dangerous RobinTed Baylor1 ep.
- 1960Death Valley DaysPrivate Riggs (as James Callahan)1 ep.
- 1959Not for Hire3 ep.
- —Hollywood Beat1 ep.
Also known as: James Callahan · Jim Callahan