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
⭐ 6.3Mannequin
⭐ 6End of the Trail
⭐ 8Flash Gordon Conquers the Universe
⭐ 5.6The Texas Rangers
⭐ 6.4The Prisoner of Shark Island
⭐ 6.8The Phantom
⭐ 6.2The Night of Nights
⭐ 0Flash Gordon's Trip to Mars
⭐ 6Purple Death from Outer Space
⭐ 5.2Blondes at Work
⭐ 6.1Boomerang Bill
⭐ 2Torchy Runs for Mayor
⭐ 5.8Torchy Blane.. Playing with Dynamite
⭐ 6Wildcat Bus
⭐ 4.6Black Gold
⭐ 5Woman in the Dark
⭐ 6.1Federal Fugitives
⭐ 5.4A Burglar to the Rescue
⭐ 8Rawhide Rangers
⭐ 5Ever Since Eve
⭐ 5.8Next Time I Marry
⭐ 6.8The Murder of Dr. Harrigan
⭐ 5.6Men Without Names
⭐ 6Union Pacific
⭐ 6.5The Ship That Died
⭐ 5.8Rocket Ship
⭐ 4.8You Can't Take It with You
⭐ 7.5Torchy Blane in Panama
⭐ 5.3The Eagle's Brood
⭐ 5Torchy Blane in Chinatown
⭐ 6Emergency Squad
⭐ 5Brigham Young
⭐ 4.4The Return of Frank James
⭐ 6.256The Phantom
⭐ 6.2A Dispatch from Reuters
⭐ 5.7The 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
⭐ 5.125Icebound
⭐ 0The Perfect Set-Up
⭐ 6The Adventurous Blonde
⭐ 5.4Torchy Gets Her Man
⭐ 5.9Batman
⭐ 6.4Rulers of the Sea
⭐ 6.5'G' Men
⭐ 6.5Spaceship to the Unknown
⭐ 6The Pace That Kills
⭐ 2.6A Dangerous Profession
⭐ 5.6Monsieur Beaucaire
⭐ 5.9Crack-Up
⭐ 5.6Flash Gordon: The Deadly Ray From Mars
⭐ 0Perjury
⭐ 0