Discover
Tom Baker
The Doctor
Elisabeth Sladen
Sarah Jane Smith
Ian Marter
Harry Sullivan
Wendy Williams
Vira
Kenton Moore
Noah
Richardson Morgan
Rogin
John Gregg
Lycett
Christopher Masters
Libri
Stuart Fell
The Wirrn
Nick Hobbs
The Wirrn
Gladys Spencer
High Minister (voice)
Peter Tuddenham
Voices on Nerva (voice)
Art
Roger Murray-Leach
Production Design
Crew
Dick Mills
Special Sound Effects
Directing
Rodney Bennett
Director
Lighting
Nigel Wright
Lighting Director
Production
Philip Hinchcliffe
Producer
Marion McDougall
Production Assistant
George Gallaccio
Production Manager
Sound
Dudley Simpson
Original Music Composer
John Lloyd
Sound
Delia Derbyshire
Theme Song Performance
Art
Roger Murray-Leach
Production Design
Crew
Dick Mills
Special Sound Effects
Directing
Rodney Bennett
Director
Lighting
Nigel Wright
Lighting Director
Production
Philip Hinchcliffe
Producer
Marion McDougall
Production Assistant
George Gallaccio
Production Manager
Sound
Dudley Simpson
Original Music Composer
John Lloyd
Sound
Delia Derbyshire
Theme Song Performance