Season 1 • 1960
1. The Imposter
1960-12-11 • 30 min
2. Sabotage in Space
1960-12-18 • 30 min
3. The Hostage
1960-12-25 • 30 min
4. Lichens!
1961-01-01 • 30 min
5. Zero Hour on the Red Planet
1961-01-08 • 30 min
6. Falling into the Sun
1961-01-15 • 30 min
Gerald Flood
Conway Henderson
George Coulouris
The Imposter / Harcourt Brown
Stewart Guidotti
Geoffrey Wedgwood
Pamela Barney
Professor Mary Meadows
Hester Cameron
Margret Henderson
Hugh Evans
Ian Murray
Astor Sklair
John Field
Bernard Horsfall
Professor Hawkins
Guy Verney
Director