Unidentified Flying Oddball

Jim Dale

Sir Mordred

Kenneth More

King Arthur

罗恩·穆迪

Merlin

John Le Mesurier

Sir Gawain

Rodney Bewes

Clarence

丹尼斯·杜根

Tom Trimble

帕特·罗奇

Oaf

Sheila White

Alisande

罗伯特·比蒂

Senator Milburn

西里尔·谢普斯

Dr. Zimmerman

Kevin Brennan

Winston

Ewen Solon

Watkins

Reg Lye

Prisoner

Bruce Boa

Air Force Officer (Uncredited)

Al Lampert

NASA Technician (Uncredited)

Derek Suthern

NASA VIP (Uncredited)