Cast
The first manned expedition to Mars is invaded by an unknown life form, which stows away on the rescue ship.
Marshall Thompson (Acting)
Shirley Patterson (Acting)
Kim Spalding (Acting)
Ann Doran (Acting)
Dabbs Greer (Acting)
Paul Langton (Acting)
Robert Bice (Acting)
Richard Benedict (Acting)
Richard Hervey (Acting)
Ray Corrigan (Acting)
25 May 1960
5 April 1951
5 September 2013
11 July 1974
13 June 1953
1 April 1951
1 September 1958
30 September 2011
24 January 2013
17 February 1959
10 December 2014
25 December 2020
23 September 1994
19 December 1971
17 July 2009
9 August 1989
15 August 1997
25 June 1982
22 November 2000
30 May 2019
31 July 1958