SERIALS
TV series: The Avengers (UK)
159 episodes
Premiere of first episode: UK (7 January 1961) Independent Television
Premiere of last episode: Canada (15 April 1969) CTV Television
Main role: John Steed
TV series: The New Avengers
1 season (UK / France) 13 episodes
2 season (UK / France / Canada) 13 episodes
Premiere of first episode: Ireland (28 September 1976) Raidió Teilifis Éireann
Premiere of last episode: Ireland (28 November 1977) Raidió Teilifis Éireann
Role: John Steed
Main cast: Gareth Hunt, Joanna Lumley
TV series: Gavilan (USA)
probably all 13 episodes
Premiere of first episode: USA (26 October 1982) NBC Television
Role: Milo Bentley
Main cast: Robert Urich, Kate Reid
TV series: Empire (USA)
all 6 episodes
Premiere of first episode: USA (4 January 1984) CBS Television
Premiere of last episode: USA (8 February 1984) CBS Television
Role: Calvin Cromwell
Main cast: Dennis Dugan, Maureen Arthur, Richard Masur, Michael McGuire
Writers: Lawrence J. Cohen & Fred Freeman Director: Terry Hughes
TV series: Tales from the Darkside (USA)
some episodes
Premiere: UK (Summer 1985) VHS video from Embassy
Role: Host
TV series: Lime Street (USA)
some episodes
Premiere: USA (28 September 1985) ABC Television
Role: Sir Geoffrey Rimbatten
Main cast: Lew Ayres, Maia Brewton, Anne Haney, Robert Wagner
TV series: Super Force (USA)
TV movie pilot + all 48 episodes
Premiere of TV movie pilot: USA (September 1990) syndicated
Premiere of last episode: USA (26 May 1992) syndicated
Roles: E.B. Hungerford / opening narrator (except TV movie pilot)
Main cast: Ken Olandt, Larry B. Scott
TV series: P.S.I. Luv U (USA)
TV movie pilot + 4 episodes
Premiere of TV movie pilot: USA (15 September 1991) CBS Television
Premiere of last episode: USA (14 December 1991) CBS Television
Role: Uncle Ray Bailey
Main cast: Greg Evigan, Connie Sellecca, Joel Rogers
Writer: Glen A. Larson
TV series: Thunder in Paradise (USA)
8 episodes
Premiere of first episode: USA (25 March 1994) CBS Television
Premiere of last episode: USA (13 November 1994) CBS Television
Role: Edward Whitaker
Main cast: Hulk Hogan, Chris Lemmon
TV series: Night Man (USA / Canada)
6 episodes
Premiere of first episode: USA (20 September 1997) syndicated
Premiere of last episode: USA (3 May 1998) syndicated
Role: Dr. Walton
Main cast: Matt McColm
TV series: Battlestar Galactica (USA)
10 episodes
Premiere of first episode: USA (17 September 1978) ABC Television
Premiere of last episode: USA (1 April 1979) ABC Television
Role: Opening narrator (uncredited archive voice from movie 'Battlestar Galactica')
Main cast: Richard Hatch, Dirk Benedict, Lorne Greene, Herbert Jefferson Jr.
Note:
Patrick also played Count Iblis in the two-part episode War of the Gods
and voiced the Imperial Leader in three episodes