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.
Movies
Peril from the Planet Mongo
Dr. Zarkov
Purple Death from Outer Space
Dr. Zarkov
Spaceship to the Unknown
Dr. Hans Zarkov (archive footage)
A Dangerous Profession
Crack-Up
Train Station Gateman (Uncredited)
The Phantom
Prof. Davidson (uncredited)
Batman
Dr. Hayden
The Secret Code
Police Commissioner
Ten Gentlemen from West Point
Senator (uncredited)
Rawhide Rangers
McDowell
Federal Fugitives
Hammond
A Dispatch from Reuters
Mr. O'Malley - Captain of the Nova Scotian (uncredited)
Brigham Young
Second Man with California Gold News
Wildcat Bus
Sweeney
The Return of Frank James
Sheriff
Flash Gordon Conquers the Universe
Dr. Zarkov
Emergency Squad
Construction Supervisor at Elevator
The Night of Nights
Frank, the Bartender (uncredited)
Rulers of the Sea
Kelsey (Uncredited)
Torchy Blane... Playing with Dynamite
Inspector McTavish
Torchy Runs for Mayor
Captain McTavish
Union Pacific
Old Man (uncredited)
Torchy Blane in Chinatown
Police Capt. McTavish
Next Time I Marry
Police Lieutenant (uncredited)
Torchy Gets Her Man
Police Captain McTavish (uncredited)
Mars Attacks the World
Dr. Alexis Zarkov
You Can't Take It with You
Mac (uncredited)
Torchy Blane in Panama
Captain McTavish
Over the Wall
Duke Slattery - Policeman with Warrant
Flash Gordon's Trip to Mars
Dr. Zarkov
Flash Gordon: The Deadly Ray From Mars
Dr. Alexis Zarkov
Rocket Ship
Dr. Hans Zarkov
The Ship That Died
Minor Role (uncredited)
Blondes at Work
Capt. McTavish
Mannequin
Police Sergeant at Jail (Uncredited)
The Adventurous Blonde
Captain McTavish
Ever Since Eve
Desk Sergeant (uncredited)
End of the Trail
Sheriff Anderson
The Texas Rangers
Captain Stafford
Flash Gordon
Dr. Hans Zarkov
Road Gang
Chaplain (uncredited)
The Prisoner of Shark Island
Mr. Holt
The Perfect Set-Up
Detective Hewitt (uncredited)
Black Gold
Dan O'Reilly
The Murder of Dr. Harrigan
Police Sergeant
The Pace That Kills
Mr. Farley
The Eagle's Brood
Mike
Men Without Names
Agent Joe
'G' Men
Police Chief at Lodge (uncredited)
Woman in the Dark
Prison Warden
A Burglar to the Rescue
The Burglar, Holtz aka Jack Dunning
Monsieur Beaucaire
Badger
Icebound
Judge Bradford
The Bride's Play
Sir John Mansfield
Boomerang Bill
Terrence O'Malley
Perjury
Phil Rourke
The Prisoner of Zenda
Detchard