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Tom Corbett, Space Cadet 

Four centuries into the future, Cadets Tom Corbett, Roger Manning and Astro are training to become Solar Guards. Their ship, the "Polaris" took them to numerous adventures, usually natural catastrophes rather than villains.

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4   3   Unknown  
1955   1954   1953   1952   1951   Unknown  




Complete series cast summary:
Frankie Thomas ...  Tom Corbett 58 episodes, 1951-1955
Al Markim Al Markim ...  Astro 58 episodes, 1951-1955
Jan Merlin ...  Roger Manning 30 episodes, 1951-1954
Jack Grimes Jack Grimes ...  T.J. Thistle 28 episodes, 1954-1955


Set during the middle of the 24th Century at the Space Academy (a training school for the Solar Guards) and aboard the 'Polaris', a Solar Guard training ship, this hugely-popular science-fiction series was one of the very few programs to air on all four major networks, including a brief period in 1951 when it ran on two networks simultaneously (NBC and ABC). It was seen three times weekly over CBS and ABC in fifteen-minute format, and in half-hour episodes on Saturdays over DuMont and NBC. Written by Hup234!

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Release Date:

1 October 1950 (USA) See more »

Company Credits

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Technical Specs


Sound Mix:


Aspect Ratio:

1.33 : 1
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Did You Know?


The final broadcast was on 25 June 1955 (over NBC). See more »


Announcer: Space Academy, USA, in the world beyond tomorrow. Here the Space Cadets train for duty on distant planets. In roaring rockets, they blast through the millions of miles from Earth to far-flung stars and brave the dangers of cosmic frontiers protecting the liberties of the planets, safeguarding the cause of universal peace in the age of the conquest of space!
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Featured in Science Fiction: A Journey Into the Unknown (1994) See more »

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User Reviews

Lots of indulgence
24 December 2015 | by bkoganbingSee all my reviews

I was a mere lad in single digit years when Tom Corbett Space Cadet was on television. Making a lot of allowances for the fact that this was primitive TV even comparing it to something like Star Trek prime makes it pale by degrees. Not unlike comparing the original Star Trek to any of its successors.

One thing that Tom Corbett borrowed from the big screen was the trio concept that you would see in westerns, most prominently in Hopalong Cassidy and the 3 Mesquiteers. Corbett and his two sidekicks are on a training ship, the Polaris and they were training to join the Solar Patrol. Tom was played by 30 year old Frankie Thomas who was an All American teen heartthrob in the Nancy Drew series before World War II. Thomas still looked youthful enough to carry off the part.

The others are Al Markim who went the entire series run with Thomas and Jan Merlin who was replaced halfway through the series by Jack Grimes. Substitute the space dialog for sagebrush talk and this could have been a western.

Tom Corbett like so many other science fiction films seemed not to anticipate the computer. That fact in and of itself fascinates me. As the show was aimed for a kid's audience maybe the producers felt the concept was over the heads of 50s era children.

Shows like Tom Corbett, sincerely made and acted for a variety of reasons have not worn well over the years. It's a museum piece and a lot of indulgence has to be given by a modern audience.

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