Acting

—		On Camera 1 episode as Lieutenant Honeywell
—		Rawhide 0 episodes

2005

1 episode

2001

1 episode as Cecil Hedley

2000		The BAFTA Awards 1 episode as Self
2000		Family Law 1 episode as Sir Thomas Matthews

1999

2 episodes

1997		Diagnosis: Murder 1 episode as John Garrison
1997		Night Man 44 episodes as Dr. Walton
1997		Spy Game 1 episode

1995

1 episode as Self

1994		Mysteries, Magic and Miracles 36 episodes as Self - Host
1994		Thunder in Paradise 22 episodes as Edward Whitaker

1993		Kung Fu: The Legend Continues 2 episodes as Steadman
1993		Sacrée soirée 1 episode as Self
1993		Jack's Place 1 episode

1992		Vicki! 1 episode as Self
1992		Coach 1 episode as Mr. Thind
1992		Murder, She Wrote 1 episode as Dayton Whiting
1992		Dream On 1 episode as Elliot Sterns

1990		Super Force 48 episodes as E.B. Hungerford (voice)
1990		The Ray Bradbury Theater 1 episode as Stendahl

1989		Around the World in 80 Days 3 episodes as Ralph Gautier
1989		War of the Worlds 1 episode as Valery Kedrov

1988		Murphy's Law 1 episode
1988		The New Alfred Hitchcock Presents 1 episode as Thaddeus

1986		Blacke's Magic 1 episode
1986		Mary 1 episode

1985		Murder, She Wrote 1 episode as Oliver Trumbull
1985		Lime Street 8 episodes as Sir Geoffrey Rimbatten
1985		Hotel 1 episode as Edmund Bradshaw
1985		Please Turn the Page 1 episode as Self

1984		This Is Your Life 1 episode as Self
1984		The Love Boat 1 episode as David Blake
1984		Hart to Hart 1 episode as Matthew Grade
1984		Magnum, P.I. 1 episode as David Worth / Chee / Chinese Doctor
1984		Empire 6 episodes as Calvin Cromwell

1983		Automan 1 episode as Lydell Hamilton
1983		For the Term of His Natural Life 3 episodes as Major Vickers
1983		Wogan 3 episodes as Self

1982

13 episodes as Milo Bentley

1981		Dick Turpin 5 episodes as Lord James Melford
1981		The Tonight Show Starring Johnny Carson 1 episode as Self
1981		Vega$ 1 episode

1979		$weepstake$ 1 episode as Rodney
1979		Battlestar Galactica 2 episodes as Count Iblis

1978		Battlestar Galactica 1 episode as Imperious Leader (voice) 2 episodes as Opening Credit Announcer / Imperious Leader (voice) (uncredited)
1978		The Hardy Boys / Nancy Drew Mysteries 1 episode

1976

26 episodes as John Steed

1975		Khan! 1 episode
1975		Columbo 1 episode as Captain Gibbon

1973

1 episode

1972

3 episodes as Self

1971		Night Gallery 1 episode as Major Crosby (segment "Logoda's Heads")
1971		Alias Smith and Jones 1 episode

1970		Stars in the Ring 1 episode as Self
1970		Die Rudi Carrell Show 1 episode
1970		The Virginian 1 episode as Connor

1966

1 episode as Arthur

1964

1 episode as Algernon Moncrieff

1961

161 episodes as John Steed

1960

1 episode as David Manning

1959		Adventures in Paradise 1 episode as Colonel O'Neill
1959		The Twilight Zone 1 episode as First Officer McLeod
1959		Rawhide 1 episode as Henry Watkins
1959		The Wonderful World of Disney 2 episodes as British Captain
1959		The Swamp Fox 8 episodes
1959		Alfred Hitchcock Presents 1 episode as Professor Kersley 1 episode as Sgt. John Theron
1959		General Electric Theater 1 episode as Gilbert Burns
1959		Folio 1 episode as Captain John Tregarthen
1959		One Step Beyond 1 episode as Eric Farley
1959		Black Saddle 1 episode as Michael Kent

1958		Alcoa Theatre 1 episode as Sergeant Shaw
1958		Studio One 1 episode as Bill Cheever
1958		Kraft Television Theatre 1 episode as Wealthy Playboy 1 episode 1 episode as Reginald Urquart
1958		Suspicion 1 episode as Captain John Biersdorf
1958		Schlitz Playhouse of Stars 1 episode as Lt. Charles Daurigny
1958		The Veil 1 episode

1957		First Performance 1 episode as Julian Shaw
1957		On Camera 1 episode as George 1 episode as Henty

1956		Matinee Theater 6 episodes
1956		Kraft Television Theatre 1 episode as Jan 2 episodes as Mr. Andrews
1956		Playwrights '56 1 episode

1955		On Camera 1 episode as poet Brother Sebastien 1 episode as Essex 4 episodes
1955		Folio 1 episode as Macduff

1953

1 episode as Captain Marchant

1952

1 episode as Peter 1 episode as Captain Peter Niles

1951

1 episode as Rolf Hornblower

1950

1 episode as Lodovico