Rocket Ship

Theodore Lorch

High Priest

Richard Alexander

Prison Cellmate

Earl Askam

Policeman

George Cleveland

Henry Dodson

Charles Middleton

Alec Martin

James Pierce

Prince Thun

Jack 'Tiny' Lipson

King Vultan

Buster Crabbe

Mike Clayman

Richard Tucker

Professor Gordon

Priscilla Lawson

Princess Aura

Jean Rogers

Dale Arden

Frank Shannon

Dr. Hans Zarkov