Frank Shannon

Peril from the Planet Mongo Dr. Zarkov 1966

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

Purple Death from Outer Space Dr. Zarkov 1966

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

A Dangerous Profession 1949

Crack-Up Train Station Gateman (Uncredited) 1946

The Phantom Prof. Davidson (uncredited) 1943

The Phantom Professor Davidson 1943

Batman Dr. Hayden 1943

The Secret Code Police Commissioner 1942

Ten Gentlemen from West Point Senator (uncredited) 1942

Rawhide Rangers McDowell 1941

Federal Fugitives Hammond 1941

A Dispatch from Reuters Mr. O'Malley - Captain of the Nova Scotian (uncredited) 1940

Brigham Young Second Man with California Gold News 1940

Wildcat Bus Sweeney 1940

The Return of Frank James Sheriff 1940

Flash Gordon Conquers the Universe Dr. Zarkov 1940

Emergency Squad Construction Supervisor at Elevator 1940

The Night of Nights Frank, the Bartender (uncredited) 1939

Rulers of the Sea Kelsey (Uncredited) 1939

Torchy Blane... Playing with Dynamite Inspector McTavish 1939

Torchy Runs for Mayor Captain McTavish 1939

Union Pacific Old Man (uncredited) 1939

Torchy Blane in Chinatown Police Capt. McTavish 1939

Next Time I Marry Police Lieutenant (uncredited) 1938

Torchy Gets Her Man Police Captain McTavish (uncredited) 1938

Mars Attacks the World Dr. Alexis Zarkov 1938

You Can't Take It with You Mac (uncredited) 1938

Torchy Blane in Panama Captain McTavish 1938

Over the Wall Duke Slattery - Policeman with Warrant 1938

Flash Gordon's Trip to Mars Dr. Zarkov 1938

Rocket Ship Dr. Hans Zarkov 1938

The Ship That Died Minor Role (uncredited) 1938

Blondes at Work Capt. McTavish 1938

Mannequin Police Sergeant at Jail (Uncredited) 1938

The Adventurous Blonde Captain McTavish 1937

Ever Since Eve Desk Sergeant (uncredited) 1937

End of the Trail Sheriff Anderson 1936

The Texas Rangers Captain Stafford 1936

Flash Gordon Dr. Hans Zarkov 1936

Road Gang Chaplain (uncredited) 1936

The Prisoner of Shark Island Mr. Holt 1936

The Perfect Set-Up Detective Hewitt (uncredited) 1936

Black Gold Dan O'Reilly 1936

The Murder of Dr. Harrigan Police Sergeant 1936

The Pace That Kills Mr. Farley 1935

The Eagle's Brood Mike 1935

Men Without Names Agent Joe 1935

'G' Men Police Chief at Lodge (uncredited) 1935

Woman in the Dark Prison Warden 1934

A Burglar to the Rescue The Burglar, Holtz aka Jack Dunning 1931

Monsieur Beaucaire Badger 1924

Icebound Judge Bradford 1924

The Bride's Play Sir John Mansfield 1922

Boomerang Bill Terrence O'Malley 1922

Perjury Phil Rourke 1921

The Prisoner of Zenda Detchard 1913