Buster Crabbe Flash Gordon Actor Charles Middleton Ming the Merciless Actor Jean Rogers Dale Arden Actor Priscilla Lawson Princess Aura Actor Frank Shannon Dr. Alexis Zarkov Actor Richard Alexander Prince Barin Actor Jack "Tiny" Lipson King Vultan Actor Theodore Lorch Second High Priest Actor James Pierce Prince Thun Actor Duke York King Kala Actor Earl Askam Officer Torch Actor Richard Tucker Professor Gordon Actor George Cleveland Professor Hensley Actor Frederick Stephani Director