as Gordon Maxwell

as Kellman
1963

1978

as Gordon Maxwell
1970

1965

as Insp. Lars Bergen
1972

as Dr. Tulliver
1976

1966

as Human Captain Black / Delta Garage Attendant / Radio Announcer (voice)
1967

as Freddie
1955

1967

as DS William Peel
1972

as Doctor
1983
as Dr. Melplash
1994

as Self
2016

as James Nolan
1995

as Dr. Melplash
1994

1986

as Albert Bitterling
1986

as Dev Tarrant
1985

as Virgil Tracy / Cravitz (voice)
1982

as Virgil Tracy / Operator Power / Tom (voice)
1981

as Captain Ocher / Angelini / Control / Shroeder / Kurnitz / Human Captain Black (voice)
1981

as General / Officer / Lieutenant / Tanker / Hunter 2 / B107 Co-Pilot Hal / 2nd Russian (voice)
1981

as Captain Ochre / Jackson / Human Captain Black / Various Characters (voice)
1980

as Artillery Officer
1979

1977

as Army Captain
1971

as Geoff
1970

1970

as Virgil Tracy / Hogarth (voice)
1968

as Virgil Tracy / Space Exploration Center President (voice)
1966

as Inspector Ronet
1965

as Captain Ochre (voice)
7 ep.

as Kellman
3 episodes


as Gordon Maxwell
7 episodes

6 episodes

as Insp. Lars Bergen
1 episodes

as Dr. Tulliver
1 episodes

1 episodes

as Human Captain Black / Delta Garage Attendant / Radio Announcer (voice)
1 episodes

as Freddie
1 episodes

1 episodes

as DS William Peel
1 episodes

as Doctor
1 episodes

as The Bishop / Various Characters (voice)
13 episodes

as Ralph Clayton (voice)
3 episodes
as Eric Mackay
1 episodes

as Gidney
3 episodes
as Captain Andrew Lamont, MC
1 episodes

as Drew Heriot
11 episodes