Flash Gordon

Buster Crabbe

Flash Gordon

Jean Rogers

Dale Arden

Frank Shannon

Dr. Hans Zarkov

Charles Middleton

Ming the Merciless

Priscilla Lawson

Princess Aura

Richard Alexander

Prince Barin

Jack 'Tiny' Lipson

King Vultan

James Pierce

Prince Thun

Theodore Lorch

High Priest

Richard Tucker

Professor Gordon

George Cleveland

Professor Hensley

Glenn Strange

Gocko/Robot/Soldier

Lon Poff

First High Priest

Constantine Romanoff

Monkey Man (uncredited)

Duke York

King Kala

House Peters Jr.

Shark Man

John Bagni

Hawkman Throne Room Guard

Roy Barcroft

Throne Guard

Lynton Brent

Transcontinental Plane Steward

Don Brodie

Radio Scientist

Lane Chandler

Ming's Soldier

Noble 'Kid' Chissell

Guard

Jim Corey

Shark Man

Ray Corrigan

Orangopoid