Credits

• 2024 · Point Blank (1967) | The Documentary as Self
• 2019 · The Twilight Zone: A 60th Anniversary Celebration as Michael Chambers (archive footage)
• 2003 · The Commission as John J. McCloy
• 2003 · Before I Say Goodbye as Mac MacDermott
• 1998 · Legend of the Mummy as Abel Trelawny
• 1998 · Loyal Opposition as President Mark Hayden
• 1997 · The New Batman Adventures as Mayor Hamilton Hill (voice)
• 1995 · Lamb Chop's Special Chanukah as Lloyd / Super Brain
• 1993 · Morning Glory as Bob Collins
• 1992 · Batman: The Animated Series as Mayor Hamilton Hill (voice)
• 1992 · Landslide as
• 1991 · Deadly Deception as Don Gustavo
• 1991 · The Naked Gun 2½: The Smell of Fear as Baggett
• 1991 · Berlin Lady as Wilhelm Speer
• 1989 · Millennium as Walters
• 1989 · Fine Gold as Don Pedro
• 1988 · Superboy as
• 1987 · A Mouse, a Mystery and Me as Sam Hall
• 1987 · Double Agent as Special Agent Vaughn
• 1986 · Designing Women as
• 1986 · Crystal Heart as Frank Newley
• 1985 · The Golden Girls as Patrick Vaughn
• 1985 · The Golden Girls as Hairdresser
• 1984 · Crazy like a Fox as Vincent Mulligan
• 1984 · Murder, She Wrote as Jason Richards
• 1984 · Murder, She Wrote as Dr. Terence Mayhew
• 1984 · Stato d'emergenza - Il caso Dozier as Gen. Dozier
• 1984 · Highway to Heaven as
• 1984 · Louisiana as Adrien Damvillier
• 1983 · Masquerade as Lassac Bonarc
• 1983 · The Lonely Lady as Walter Thornton
• 1983 · Manimal as Jordon
• 1983 · Manimal as Jordon
• 1983 · The Hot Touch as Severo
• 1983 · The A-Team as Steffan Shawn
• 1982 · Mazes and Monsters as Hal
• 1982 · Matt Houston as
• 1982 · Matt Houston as Elgin Cody
• 1982 · Hotel as
• 1981 · The Fall Guy as
• 1981 · Dynasty as
• 1981 · Dynasty as Cecil Colby
• 1979 · Mary and Joseph: A Story of Faith as Matthew
• 1979 · The Littlest Hobo as Mr Barton
• 1979 · The Golden Gate Murders as Dr. Hamill
• 1979 · Trapper John, M.D. as
• 1979 · Hart to Hart as
• 1979 · The Best Place to Be as Bob Stockwood
• 1979 · Riel as Dr. Schultz
• 1979 · B. J. and the Bear as
• 1978 · A Fire in the Sky as Paul Gilliam
• 1978 · The Immigrants as Chris Noel
• 1978 · Vega$ as
• 1978 · Battlestar Galactica as Commandant Leiter
• 1978 · Mr. No Legs as D'Angelo
• 1978 · Confessions of the D.A. Man as Harold Kyper
• 1977 · The Love Boat as George Tillman
• 1977 · The Love Boat as Larry Ellis
• 1977 · The San Pedro Beach Bums as
• 1977 · Terraces as Dr. Roger Cabe
• 1977 · The Hardy Boys / Nancy Drew Mysteries as
• 1976 · Richie Brockelman: The Missing 24 Hours as Davenport
• 1976 · Charlie's Angels as Malcolm Case
• 1976 · Charlie's Angels as Jellek
• 1976 · The Bionic Woman as
• 1976 · Collision Course: Truman vs. MacArthur as Averell Harriman
• 1975 · It Seemed Like a Good Idea at the Time as Burton
• 1975 · Ellery Queen as
• 1975 · Switch as Harmon
• 1975 · Barbary Coast as Ezra Hubbard
• 1975 · Bronk as
• 1975 · The Nurse Killer as Dr. Holmquist
• 1975 · The Man in the Glass Booth as Dr. Churchill
• 1974 · Rex Harrison Presents Stories of Love as David
• 1974 · The Six Million Dollar Man as Ulrich Rau
• 1974 · The Six Million Dollar Man as Gavern Wilson
• 1974 · The Six Million Dollar Man as Gordon Shanks
• 1973 · The Magician as Matt Matthews
• 1973 · Satan's School for Girls as Delacroix
• 1973 · Police Story as
• 1973 · Barnaby Jones as John Stevens
• 1972 · Ulzana's Raid as Captain Gates
• 1972 · The Rookies as
• 1972 · Emergency! as
• 1971 · They Call It Murder as A.B. Carr
• 1971 · McMillan and Wife as
• 1971 · Primus as
• 1971 · Columbo as Mazoor Berozski
• 1971 · Cannon as
• 1970 · Crowhaven Farm as Kevin Pierce
• 1970 · The Silent Force as Drake
• 1970 · McCloud as
• 1970 · The Dunwich Horror as Dr. Cory
• 1970 · Tiger by the Tail as Del Ware
• 1969 · Medical Center as
• 1969 · The Debbie Reynolds Show as
• 1968 · The Horse in the Gray Flannel Suit as Archer Madison
• 1968 · The Doris Day Show as
• 1968 · Hawaii Five-O as Col. Avery
• 1968 · Hawaii Five-O as Israeli Secretary
• 1968 · The Name of the Game as Tom Ramsey
• 1968 · Hawaii Five-O as Capt. Roger Newhouse
• 1968 · Hawaii Five-O as Walter Gregson
• 1968 · The Outsider as
• 1968 · The Young Runaways as Raymond Allen
• 1968 · The Detective as Dr. Wendell Roberts
• 1968 · It Takes a Thief as Dr. George Kingsford
• 1968 · It Takes a Thief as Clayton Hewitt
• 1967 · Tony Rome as Vic Rood
• 1967 · Stranger on the Run as Mr. Gorman
• 1967 · Mannix as
• 1967 · Judd for the Defense as Dr. Stalling
• 1967 · Custer as
• 1967 · Point Blank as Frederick Carter
• 1967 · Ironside as
• 1966 · Barefoot in Athens as Critias
• 1966 · Mission: Impossible as Mayor Steve Tallman
• 1966 · Mission: Impossible as Maj. Nicholas Zelinko
• 1966 · Mission: Impossible as Gen. Oliver Hammond
• 1966 · Occasional Wife as
• 1966 · The Girl from U.N.C.L.E. as
• 1966 · The Iron Horse as John Pendennis
• 1966 · The Green Hornet as Dan Carley
• 1966 · Tarzan as
• 1966 · Scalplock as John Pendennis
• 1965 · The F.B.I. as Keenyn Gray
• 1965 · Honey West as Guy Patterson
• 1965 · The Wild Wild West as
• 1965 · Hogan's Heroes as Capt. Roberts / Lt. Baumann
• 1965 · The Big Valley as Joshua Cunningham
• 1965 · The Legend of Jesse James as Charles Jennings
• 1965 · Harlow as Marc Peters
• 1965 · Sylvia as Bruce Stamford III
• 1965 · Branded as Frank Ross
• 1964 · The Night Walker as The Dream (George Fuller)
• 1964 · Daniel Boone as Churchill James
• 1964 · Daniel Boone as Colonel Chalmers
• 1964 · Daniel Boone as Maksoana
• 1964 · Daniel Boone as Roger Morgan
• 1964 · The Man from U.N.C.L.E. as
• 1964 · 12 O'Clock High as Kirby Wyatt
• 1964 · Bewitched as Franklyn Blodgett
• 1964 · Voyage to the Bottom of the Sea as Martin Davis
• 1964 · The Annanacks as Narrator
• 1963 · Kraft Suspense Theatre as Wolfe Hastings
• 1963 · Bob Hope Presents the Chrysler Theatre as
• 1963 · Bob Hope Presents the Chrysler Theatre as Cmdr. Brand
• 1963 · The Richard Boone Show as
• 1963 · The Lieutenant as
• 1963 · Attiuk as Narrator
• 1963 · The Land of Jacques Cartier as Narrator
• 1963 · Drums of Africa as David Moore
• 1963 · Whalehead as Narrator (voice)
• 1962 · Combat! as Maj. Thorne
• 1962 · General Electric True as
• 1962 · The Virginian as Luke Evers
• 1962 · The Virginian as Abel Wilks
• 1962 · Sam Benedict as
• 1962 · Theatre 62: Rebecca as Jack Favell
• 1961 · Dr. Kildare as Dr. Harry Nelson
• 1961 · Cain's Hundred as William Hillier
• 1961 · The Americans as
• 1960 · Thriller as Prof. Harry Langham
• 1960 · Hong Kong as
• 1960 · The Citadel as Freddie Parker
• 1959 · The Twilight Zone as Michael Chambers
• 1959 · Bonanza as Prince Vladimir
• 1957 · Twelfth Night as Duke Orsino
• 1957 · Perry Mason as Eric Pollard
• 1956 · First Performance as
• 1955 · Folio as
• 1955 · Gunsmoke as Cauley Burdette
• 1954 · Walt Disney's Wonderful World of Color as Special Agent Vaughn
• 1954 · The Stratford Adventure as Self
• 1953 · King Lear as First Gentleman
• 1952 · The Play of the Nativity of the Child Jesus as Magi Who Delivers Myrrh
• 1952 · Omnibus as
• 1952 · Omnibus as First Gentleman
• 1951 · Hallmark Hall of Fame as Critias
• 1951 · Hallmark Hall of Fame as Orsino, Duke of Illyria
• 1950 · Lux Video Theatre as Soldier
• 1948 · Studio One as Edgar Linton