When the launch of a mission to Mars goes awry due to sabotage, International Rescue is requested to assist in the mission's second attempt.

Top Cast

Sylvia AndersonLady Penelope Creighton-Ward (voice)

Ray BarrettJohn Tracy / The Hood (voice)

Alexander DavionSpace Captain Greg Martin (voice)

Peter DyneleyJeff Tracy (voice)

Christine FinnTin-Tin Kyrano (voice)

David GrahamGordon Tracy / Brains / Aloysius Parker (voice)

Paul MaxwellCaptain Paul Travers (voice)

Neil McCallumDr. Ray Pierce (voice)