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

El regreso de 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

Vive como quieras

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

Prisionero del odio

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

Los hombres G

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