Frank Shannon was an Irish-born stage and screen performer. He had his film debut in The Prisoner of Zenda (1913). He is most fondly remembered as the brilliant Dr. Zarkov in the three Flash Gordon serials.
Flash Gordon
⭐ 6.433Mannequin
⭐ 5.857End of the Trail
⭐ 8Flash Gordon Conquers the Universe
⭐ 5.8The Texas Rangers
⭐ 6.3The Prisoner of Shark Island
⭐ 6.884The Phantom
⭐ 6.2The Night of Nights
⭐ 0Flash Gordon's Trip to Mars
⭐ 6.2Purple Death from Outer Space
⭐ 5.2Blondes at Work
⭐ 6.1Boomerang Bill
⭐ 2Torchy Runs for Mayor
⭐ 5.7Torchy Blane.. Playing with Dynamite
⭐ 6Wildcat Bus
⭐ 4.7Black Gold
⭐ 5Woman in the Dark
⭐ 6.053Federal Fugitives
⭐ 5.4A Burglar to the Rescue
⭐ 8Rawhide Rangers
⭐ 5Ever Since Eve
⭐ 5.8Next Time I Marry
⭐ 7The Murder of Dr. Harrigan
⭐ 5.6Men Without Names
⭐ 6Union Pacific
⭐ 6.572The Ship That Died
⭐ 5.8Rocket Ship
⭐ 4.8You Can't Take It with You
⭐ 7.493Torchy Blane in Panama
⭐ 5.3The Eagle's Brood
⭐ 4.7Torchy Blane in Chinatown
⭐ 6Emergency Squad
⭐ 5Brigham Young
⭐ 4.4The Return of Frank James
⭐ 6.3The Phantom
⭐ 6.2A Dispatch from Reuters
⭐ 5.8The Prisoner of Zenda
⭐ 3.5Road Gang
⭐ 6.5Over the Wall
⭐ 5The Bride's Play
⭐ 5.1Mars Attacks the World
⭐ 6Ten Gentlemen from West Point
⭐ 5.8The Secret Code
⭐ 5.1Icebound
⭐ 0The Perfect Set-Up
⭐ 6The Adventurous Blonde
⭐ 5.4Torchy Gets Her Man
⭐ 5.6Batman
⭐ 6.4Rulers of the Sea
⭐ 6.5'G' Men
⭐ 6.6Spaceship to the Unknown
⭐ 6The Pace That Kills
⭐ 3A Dangerous Profession
⭐ 5.6Monsieur Beaucaire
⭐ 5.9Crack-Up
⭐ 5.6Flash Gordon: The Deadly Ray From Mars
⭐ 10Perjury
⭐ 0