Cast and credits of Tom Corbett, Space Cadet

Frankie Thomas
Tom Corbett (58 episodes, 1951-1955)

Jan Merlin
Roger Manning (30 episodes, 1951-1954)

Frank Sutton
Eric Raddison / ... (6 episodes, 1953-1955)

Ben Stone
Major 'Blastoff' Connel (3 episodes, 1952-1955)

Joe De Santis
Commander Elblas (2 episodes)

Jackson Beck
Narrator (2 episodes, 1954)

John Fiedler
Alfie Higgins (2 episodes, 1952)

Tom Poston
The Alkarian (1 episode)

Harry Bellaver
Dickson (1 episode, 1954)

Geoffrey Bryant
Caretaker (1 episode, 1955)

Bob Hastings
Jim Myers (1 episode, 1955)

Leon Janney
Professor Hinkel (1 episode, 1955)

William Johnstone
Secretary Masters (1 episode, 1955)

J. Fred Muggs
Muggs 67th (1 episode, 1955)

Bill Zuckert
Brock (1 episode, 1955)

Chet Stratton
'Ace of Space' Bradley (1 episode)

Michael Harvey
Capt. Steve Strong (1950) (unknown episodes)

Albert Aley
(9 episodes, 1954-1955)

Robert A. Heinlein
(unknown episodes)