
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: The Deadly Ray From Mars

End of the Trail

A Burglar to the Rescue

我が家の楽園

Next Time I Marry

鯊魚島の捕虜

Union Pacific

'G' Men

Road Gang

Rulers of the Sea

The Texas Rangers

Flash Gordon

地獄への逆襲

The Phantom

Flash Gordon's Trip to Mars

バットマン

A Dispatch from Reuters

Blondes at Work

Torchy Blane... Playing with Dynamite

Men Without Names

Torchy Blane in Chinatown

Mars Attacks the World

The Perfect Set-Up

Spaceship to the Unknown

Peril from the Planet Mongo

Woman in the Dark

Mannequin

Flash Gordon Conquers the Universe

The Ship That Died

Ten Gentlemen from West Point

Torchy Runs for Mayor

Crack-Up

The Murder of Dr. Harrigan

Torchy Gets Her Man

A Dangerous Profession

Ever Since Eve

Federal Fugitives

Rocket Ship

Torchy Blane in Panama

Monsieur Beaucaire

Purple Death from Outer Space

The Secret Code

Rawhide Rangers

Emergency Squad

Over the Wall

The Adventurous Blonde

Wildcat Bus

The Bride's Play

The Eagle's Brood

Brigham Young

Black Gold

The Prisoner of Zenda

The Pace That Kills

Boomerang Bill

The Night of Nights

Icebound

Perjury