Alex Raymond

Robert Ridgely

Flash Gordon / Prince Barin (voice)

Alan Oppenheimer

Ming the Merciless / Dr. Hans Zarkov (voice)

Diane Pershing

Dale Arden (voice)

Melendy Britt

Princess Aura (voice)

Allan Melvin

Thun / King Vultan (voice)

Lou Scheimer

Gremlin (voice)