Acting
- 1966The Time TunnelJess Crawford1 ep.
- 1965The Legend of Jesse JamesWhicher1 ep.
- 1964Gomer Pyle, U.S.M.C.1 ep.
- 1962The Beverly HillbilliesPsychiatrist2 ep.
- 1960Stagecoach WestMajor Donovan1 ep.
- 1959Hawaiian Eye2 ep.
- 1959Bourbon Street Beat1 ep.
- 1959The Alaskans1 ep.
- 195877 Sunset StripDr. Alford5 ep.
- 1958Bat MastersonMarshal Roy Dunning1 ep.
- 1958BroncoGeorge Mayfield1 ep.
- 195726 Men78 ep.
- 1957SugarfootFenell1 ep.
- 1956West Point1 ep.
- 1956Broken ArrowDeputy Commissioner1 ep.
- 1956Hey, Jeannie!Michael Randolph2 ep.
- 1955The 20th Century Fox HourScoutmaster1 ep.
- 1955Screen Director's PlayhouseGeneral Cummings (uncredited)1 ep.
- 1955The Adventures of ChampionTom Bennett2 ep.
- 1955Navy Log2 ep.
- 1955The Life and Legend of Wyatt EarpCol. Grayson2 ep.
- 1955Judge Roy Bean39 ep.
- 1954Climax!The Body2 ep.
- 1954Father Knows BestFrank Tyler1 ep.
- 1954Meet Corliss Archer39 ep.
- 1953Letter to LorettaMr. Lee2 ep.
- 1953City Detective1 ep.
- 1953Revlon Mirror Theatre1 ep.
- 1952The Abbott and Costello ShowFoster1 ep.
- 1952Terry and the Pirates1 ep.
- 1952Mr. & Mrs. North2 ep.
- 1952Death Valley DaysMayor3 ep.
- 1952Four Star PlayhouseGeorge2 ep.
- 1952Adventures of SupermanMajor Osborn4 ep.
- 1952Cowboy G-Men39 ep.
- 1951Hallmark Hall of FameDr. Parsons2 ep.
- 1951I Love LucyHarry Munson (uncredited)2 ep.
- 1951Boston BlackieMike2 ep.
- 1951The Adventures of Kit Carson7 ep.
- 1951The Adventures of Wild Bill Hickok6 ep.
- 1950The Cisco KidJoe Butler5 ep.
- 1949The Lone RangerRanger Captain Reid2 ep.
Guest appearances
- 1970The Name of the GameGeneral1 ep.
- 1966Death Valley DaysGeorge Bennett, Major Henry, Mayor3 ep.
- 1965The Beverly HillbilliesPsychiatrist2 ep.
- 1967The Time TunnelJess Crawford1 ep.
- 1966Gomer Pyle, U.S.M.C.1 ep.
- 1966BatmanAmbassador, Ambassador (uncredited)2 ep.
- 1965The Legend of Jesse JamesWhicher1 ep.
- 1960Hawaiian EyeDan Woodruff2 ep.
- 196077 Sunset StripDr. Alford, Dr. Northrop (uncredited), Marcus Raymond, Terry Wilson5 ep.
- 1961Stagecoach WestMajor Donovan1 ep.
- 1961Wagon TrainWhittaker1 ep.
- 1961BroncoGeorge Mayfield1 ep.
- 1960MaverickDr. Pittman1 ep.
- 1960SugarfootFenell1 ep.
- 1960The Alaskans1 ep.
- 1960Bat MastersonMarshal Roy Dunning1 ep.
- 1960Bourbon Street Beat1 ep.
- 1957Navy Log2 ep.
- 1957West Point1 ep.
- 1952Adventures of SupermanMajor Osborn4 ep.
- 1949The Lone RangerDan Slauson, Ranger Captain Reid2 ep.
- 1957I Love LucyHarry Munson, Harry Munson (uncredited)2 ep.
- 1957Schlitz Playhouse of StarsGambler1 ep.
- 1957Letter to LorettaMr. Lee, Mr. Thompson2 ep.
- 1956Hey, Jeannie!Gen. Webb, Michael Randolph2 ep.
- 1955The Life and Legend of Wyatt EarpCol. Grayson, Foster, Gambler (uncredited)2 ep.
- 1956Broken ArrowDeputy Commissioner1 ep.
- 1951The Adventures of Wild Bill HickokMark Foster, Otis6 ep.
- 1955Four Star PlayhouseFrank Simms, George2 ep.
- 1956Father Knows BestFrank Tyler1 ep.
- 1956The 20th Century Fox HourScoutmaster1 ep.
- 1955Screen Director's PlayhouseGeneral Cummings (uncredited)1 ep.
- 1955The Adventures of ChampionTom Bennett, Wally Brighton2 ep.
- 1955Hallmark Hall of FameDr. Parsons, Peyton Randolph2 ep.
- 1955Lassie1 ep.
- 1954Climax!The Body2 ep.
- 1952The Adventures of Kit Carson7 ep.
- 1954Lux Video Theatre1 ep.
- 1951The Cisco KidBanker Tom Barton, George Challis, Joe Butler, Nick Ward5 ep.
- 1953The Abbott and Costello ShowFoster1 ep.
- 1953Revlon Mirror Theatre1 ep.
- 1952Mr. & Mrs. North2 ep.
- 1951Boston BlackieMike2 ep.
- —City Detective1 ep.
- —Terry and the Pirates1 ep.
Also known as: Tristram C. Coffin · Tristam Coffin · Tristrom Coffin · Tristram Chockley Coffin · Tris Coffin