Bill Connolly
Glenda Perkins (as Jana Hora)
John Sinclair
Pater Ignatius (as Hans-Peter Hallwachs)
Sir James Powell
Sheila Connolly (as Renata Zednikova)
Father of abducted baby (uncredited)
Krankenschwester (uncredited)
Harris' Assistent (uncredited)
Professor Harris (uncredited)