- John Stride - Psychiatrist
- Holly Palance - Young Nanny
- Anthony Nicholls - Dr. Becker
- Roy Boyd - Reporter
- Sheila Raynor - Mrs. Horton
- Robert MacLeod - Horton
- Bruce Boa - Thorn's Aide
- Don Fellows - Thorn's Second Aide
- Patrick McAlinney - Photographer
- Dawn Perllman - Chambermaid
- Miki Iveria - First Nun
- Betty McDowall - American Secretary
- Nicholas Campbell - Marine
- Burnell Tucker - Secret Service Man (uncredited)
- Ronald Leigh-Hunt - Gentleman at Rugby Match (uncredited)
- Guglielmo Spoletini - Italian Taxi Driver (uncredited)
- Freda Dowie - Nun (uncredited)
- Ya'ackov Banai - Arab (uncredited)
- Michael Byrne - Monk (uncredited)
- Leo McKern - Carl Bugenhagen (uncredited)
- Bill Reimbold - General (uncredited)
- Michael Leader - Rugby Match Spectator (uncredited)
- Richard Donner
- David Seltzer
- Mace Neufeld
- Harvey Bernhard
- Jerry Goldsmith
Capítulo disponible en las siguientes plataformas:
