Calling International Resuce… a runaway rocket carrying three astronauts is heading for a collision course with the Sun… Impact imminent!
Peter Dyneley
as Jeff Tracy / Professor Heinz Bodman (voice)
Shane Rimmer
as Scott Tracy (voice)
David Holliday
as Virgil Tracy (voice)
Matt Zimmerman
as Alan Tracy / TV Reporter (voice)
David Graham
as Gordon Tracy / John Tracy / Brains / Kyrano (voice)
Christine Finn
as Tin-Tin Kyrano / Grandma Tracy (voice)
Jeremy Wilkin
as Virgil Tracy / Operator Power / Tom (voice)
Ray Barrett
as Colonel Harris / Colonel Benson / Rick O’Shea (voice)
John Tate
as Solarnaut Camp (voice)
Charles Tingwell
as International Space Control Commander (voice)
Sylvia Anderson
as Professor Marshall (voice)
