When the launch of the first manned mission to Mars goes awry due to sabotage, International Rescue is requested to assist in the mission's second attempt.
David Lane
Sylvia Anderson
Ray Barrett
Alexander Davion
Peter Dyneley
Christine Finn
David Graham
Paul Maxwell
Neil McCallum
Bob Monkhouse
Shane Rimmer
Charles Tingwell
Jeremy Wilkin
Matt Zimmerman
F. Vivian Dunn
Cliff Richard
Century 21 Television
Associated Television
