ट्रेलर
कलाकार
Ron Moody
Merlin
John Le Mesurier
Sir Gawain
Sheila White
Alisande
Robert Beatty
Senator Milburn
Reg Lye
Prisoner
Bruce Boa
Air Force Officer (Uncredited)
Rodney Bewes
Clarence
Dennis Dugan
Tom Trimble
Ewen Solon
Watkins
Al Lampert
NASA Technician (Uncredited)
Jim Dale
Sir Mordred
Pat Roach
Oaf
Cyril Shaps
Dr. Zimmerman
Kenneth More
King Arthur