Credits
- 2019 ·When the Train Stopsas Marshal Preston Booth
- 2016 ·Star Trek: Inside the Roddenberry Vaultas Self
- 2016 ·Unbecomingas
- 2012 ·Eurocrime! The Italian Cop and Gangster Films That Ruled the '70sas Self
- 2011 ·The Scarlet Wormas Judge Hanchet
- 2003 ·Replayas Bradley
- 2003 ·Scooby-Doo! and the Monster of Mexicoas El Chuprecabra (voice)
- 2003 ·Cold Caseas Frank Shavers (2005)
- 2000 ·Cast Awayas Pilot Jack
- 2000 ·Power Rangers in 3D: Triple Force!as Olympius (voice)
- 1998 ·Seven Daysas General Lagerfield
- 1996 ·Armitage III: Poly Matrixas Jessup (voice)
- 1995 ·Masked Rideras Lavasect (voice)
- 1995 ·Teknomanas
- 1993 ·Power Rangersas Olympius (voice)
- 1993 ·Body of Evidenceas Andrew Marsh
- 1991 ·Detective Extralargeas
- 1991 ·Silk Stalkingsas
- 1989 ·Border Shootoutas Earl Beaudry
- 1988 ·Deep Spaceas Hawkins
- 1986 ·King Kong Livesas Vance
- 1985 ·Mussolini: The Untold Storyas Prison Commandant
- 1984 ·Who's the Boss?as
- 1983 ·The Catlinsas
- 1981 ·Simon & Simonas Marvin Kent
- 1979 ·The Shark Hunteras Donovan (as Mike Forrest)
- 1976 ·The Messageas Khalid
- 1976 ·The Loves and Times of Scaramoucheas Danglar
- 1973 ·The Magnificent Dare Devilas Colonel Brauner
- 1973 ·Helen, Yes... Helen of Troyas Agamemnon
- 1973 ·Cotteras Tony Amaral
- 1972 ·Now They Call Him Sacramentoas Amen / Sacramento
- 1972 ·The Dirt Gangas Zeno
- 1972 ·Master of Loveas Bastianazzo (as Michael Forrest)
- 1972 ·The Rookiesas
- 1972 ·Hector the Mightyas Achille
- 1972 ·Death Played the Fluteas Nick Barton
- 1971 ·The Last Rebelas Cowboy
- 1969 ·The Silent Gunas Trace Evans
- 1969 ·100 Riflesas Humara
- 1968 ·Now You See It, Now You Don'tas Hamid
- 1968 ·The Doris Day Showas Bruce Sanders
- 1968 ·The Sweet Rideas Barry Green
- 1968 ·It Takes a Thiefas Cheech
- 1968 ·It Takes a Thiefas Courier
- 1967 ·The Money Jungleas Haines Conjar
- 1967 ·Garrison's Gorillasas
- 1967 ·Ironsideas
- 1967 ·Mosby's Maraudersas Gen. Jeb Stuart
- 1967 ·Mr. Terrificas Valmar
- 1966 ·Mission: Impossibleas Lupesh
- 1966 ·Star Trekas Apollo
- 1966 ·Deathwatchas Greeneyes
- 1965 ·Get Smartas Basil
- 1965 ·Laredoas
- 1965 ·The Glory Guysas Fred Cushman
- 1965 ·Brandedas
- 1964 ·Gilligan's Islandas Ugundi
- 1964 ·Gomer Pyle, U.S.M.C.as
- 1964 ·Daniel Booneas Canuda
- 1964 ·Daniel Booneas Long Feather
- 1964 ·12 O'Clock Highas Mikhail
- 1964 ·A House Is Not a Homeas Bernie Watson
- 1963 ·The Outer Limitsas Prof. Stuart Peters
- 1962 ·Combat!as Company Commander
- 1962 ·The Virginianas Hugh Stager
- 1962 ·The Virginianas George MacGregor
- 1962 ·The Virginianas Zach Wheeler
- 1962 ·The Virginianas Cavalry Lieutenant
- 1961 ·The Dick Van Dyke Showas Joe Coogan
- 1961 ·Ben Caseyas
- 1961 ·Dr. Kildareas Julian Forman
- 1961 ·87th Precinctas Karl Andrade
- 1961 ·Atlasas Atlas
- 1960 ·Michael Shayneas
- 1960 ·The Westerneras Troy
- 1960 ·The Tall Manas
- 1960 ·Valley of the Redwoodsas Dave Harris
- 1960 ·Ski Troop Attackas Lt. Factor
- 1959 ·The Detectivesas Jay Wiley
- 1959 ·Adventures in Paradiseas John Thompson
- 1959 ·The Alaskansas
- 1959 ·The Twilight Zoneas Steve
- 1959 ·Bonanzaas Wabuska
- 1959 ·Beast from Haunted Caveas Gil Jackson
- 1959 ·One Step Beyondas Jacques Boutier
- 1959 ·Rawhideas Yuma
- 1958 ·Bat Mastersonas Les Wilkins
- 1958 ·Bat Mastersonas Noah Gannon
- 1958 ·Lawmanas Chief Little Wolf
- 1958 ·Yancy Derringeras Pierre
- 1958 ·The Riflemanas Chaqua
- 1958 ·The Texanas Deputy Lacy
- 1958 ·Broncoas
- 1957 ·The Saga of the Viking Women and Their Voyage to the Waters of the Great Sea Serpentas Zarko
- 1957 ·Tombstone Territoryas Floyd Rank
- 1957 ·26 Menas
- 1957 ·Zorroas
- 1957 ·Maverickas
- 1957 ·Maverickas Jean Paul St. Cloud
- 1957 ·Perry Masonas Pierre Dubois
- 1957 ·Wagon Trainas Julio
- 1957 ·Have Gun, Will Travelas
- 1957 ·The Deadly Mantisas Photographer (uncredited)
- 1956 ·Dick Powell's Zane Grey Theatreas Joe Sampson
- 1955 ·Highway Patrolas
- 1955 ·Cheyenneas Capt. Robert Holman
- 1955 ·Cheyenneas Yellow Lance
- 1955 ·Cheyenneas Powell
- 1955 ·Gunsmokeas Chance
- 1955 ·Gunsmokeas Ray Pate
- 1955 ·Gunsmokeas Bob Sullins
- 1954 ·The Wonderful World of Disneyas Gen. J.E.B. Stuart
- 1954 ·The Adventures of Rin Tin Tinas
- 1951 ·The Adventures of Wild Bill Hickokas