Calificación
Reparto

'Legs' Larry Smith
Narrator

Stéphane Cornicard
Dan Morgan

Will Harrison-Wallace
Doctor Notanazi

Peter Dickson
Albert

Ruth Urquhart
Lorna

Anthony Rudd
Territorial Agent

Katy Maw
Snake

Jim Davis
Dr. Quent Brady (archive footage)

Robert Griffin
Dan Morgan (archive footage)

Joel Fluellen
Arobi (archive footage)

Barbara Turner
Lorna (archive footage)

Eduardo Ciannelli
Mahri (archive footage)

Vladimir Sokoloff
Dr. Lorentz

Tim Huntley
Territorial Agent (archive footage)