
Frank Shannon
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.
Known for

Peril from the Planet Mongo
1966 • Dr. Zarkov

Flash Gordon: The Deadly Ray From Mars
1966 • Dr. Alexis Zarkov

Spaceship to the Unknown
1966 • Dr. Hans Zarkov (archive footage)

Purple Death from Outer Space
1966 • Dr. Zarkov

A Dangerous Profession
1949

Crack-Up
1946 • Train Station Gateman (Uncredited)

The Phantom
1943 • Prof. Davidson (uncredited)

Batman
1943 • Dr. Hayden
















































