Flash and Dale rush to Zarkov's aid who is being held prisoner on Beta M-1. His captor is the mysterious Lion Man. br br Directed by Gunther von Fritschbr Starring Steve Holland, Irene Champlin, Joseph Nashbr br Castbr Steve Holland as Flash Gordonbr Irene Champlin as Dale Ardenbr Joseph Nash as Dr. Hans Zarkovbr Henry Beckman as Cmdr.