Acting

2014

(2 episodes) as Donald Mallard

2011

(26 episodes)

2010

(3 episodes) as Professor Paradox (voice)

2008

(1 episode) as Merlin (voice)

2007

(75 episodes) as C.A.R. (voice)

2006

(1 episode) as Self

2003

(457 episodes) as Dr. Donald 'Ducky' Mallard

2001

(1 episode)

2000

(1 episode)

1998		Sex and the City (1 episode) as Duncan
1998		Coming Home (1 episode) as Billy Fawcett

1995		JAG (2 episodes) as Donald Mallard
1995		The Outer Limits (1 episode) as Joshua Hayward
1995		VR.5 (5 episodes)

1994		Titanic (4 episodes) as Narrator
1994		Babylon 5 (1 episode) as Dr. Vance Hendricks

1993

(1 episode) as Frank Cobb

1992

(1 episode) as Cooper

1990		Jackie Collins' Lucky Chances (3 episodes) as Bernard Dimes
1990		Law & Order (1 episode) as Craig Holland
1990		Cluedo (6 episodes) as Professor Plum

1989		Mother Love (4 episodes) as Alex Vesey
1989		Father Dowling Mysteries (1 episode) as Sir Robert

1988

(1 episode) as The Feverman

1986

(2 episodes) as Philip Dudley

1985

(1 episode) as Lieutenant Cavanaugh

1984		Murder, She Wrote (1 episode) as Drew Garrison (1 episode) as Cyril Grantham
1984		Hammer House of Mystery and Suspense (1 episode)

1983

(1 episode) as Ivan Tregorin

1982

(1 episode) as Self

1979		Hart to Hart (1 episode) as Geoffrey Atterton
1979		Sapphire & Steel (34 episodes) as Steel

1978

(4 episodes) as Alan Breck Stewart

1975

(13 episodes) as Dr. Daniel Westin

1973

(2 episodes) as Dr. Henri Clerval

1972

(28 episodes) as Flt. Lt. Simon Carter

1970

(1 episode) as Dr. Joel Winter

1969

(1 episode) as Brian Kenny

1965

(1 episode) as Illya Kuryakin

1964		Profiles in Courage (1 episode) as John Adams
1964		Vergißmeinnicht (1 episode) as Self
1964		The Man from U.N.C.L.E. (105 episodes) as Illya Kuryakin

1963		The Great Adventure (2 episodes) as Capt. Hanning
1963		The Outer Limits (1 episode) as Tone Hobart (1 episode) as Gwyllm Griffiths

1962

(1 episode) as Self

1961		The Mike Douglas Show (3 episodes) as Self
1961		Sir Francis Drake (1 episode) as Lord Oakeshott

1960

(6 episodes) as Frank Churchill

1958

(12 episodes) as Eugene Wrayburn

1957

(1 episode) as Phillipe Bertain

1956

(1 episode) as Jimmy MacGrath (1 episode) as Narrator

1951

(1 episode) as Kenneth Canfield (1 episode) as Hamilton Cade