Frank Shannon

Peril from the Planet Mongo

1966

Dr. Zarkov

Flash Gordon: The Deadly Ray From Mars

1966

Dr. Alexis Zarkov

Purple Death from Outer Space

1966

Dr. Zarkov

Spaceship to the Unknown

1966

Dr. Hans Zarkov (archive footage)

A Dangerous Profession

1949

—

Crack-Up

1946

Train Station Gateman (Uncredited)

The Phantom

1943

Prof. Davidson (uncredited)

The Phantom

1943

Professor Davidson

Batman

1943

Dr. Hayden

The Secret Code

1942

Police Commissioner

Ten Gentlemen from West Point

1942

Senator (uncredited)

Rawhide Rangers

1941

McDowell

Federal Fugitives

1941

Hammond

A Dispatch from Reuters

1940

Mr. O'Malley - Captain of the Nova Scotian (uncredited)

Brigham Young

1940

Second Man with California Gold News

Wildcat Bus

1940

Sweeney

The Return of Frank James

1940

Sheriff

Flash Gordon Conquers the Universe

1940

Dr. Zarkov

Emergency Squad

1940

Construction Supervisor at Elevator

The Night of Nights

1939

Frank, the Bartender (uncredited)

Rulers of the Sea

1939

Kelsey (Uncredited)

Torchy Blane... Playing with Dynamite

1939

Inspector McTavish

Torchy Runs for Mayor

1939

Captain McTavish

Юніон Пасіфік

1939

Old Man (uncredited)

Torchy Blane in Chinatown

1939

Police Capt. McTavish

Next Time I Marry

1938

Police Lieutenant (uncredited)

Torchy Gets Her Man

1938

Police Captain McTavish (uncredited)

Mars Attacks the World

1938

Dr. Alexis Zarkov

З собою не забрати

1938

Mac (uncredited)

Torchy Blane in Panama

1938

Captain McTavish

Over the Wall

1938

Duke Slattery - Policeman with Warrant

Flash Gordon's Trip to Mars

1938

Dr. Zarkov

Rocket Ship

1938

Dr. Hans Zarkov

The Ship That Died

1938

Minor Role (uncredited)

Blondes at Work

1938

Capt. McTavish

Mannequin

1938

Police Sergeant at Jail (Uncredited)

The Adventurous Blonde

1937

Captain McTavish

Ever Since Eve

1937

Desk Sergeant (uncredited)

End of the Trail

1936

Sheriff Anderson

The Texas Rangers

1936

Captain Stafford

Flash Gordon

1936

Dr. Hans Zarkov

Road Gang

1936

Chaplain (uncredited)

The Prisoner of Shark Island

1936

Mr. Holt

The Perfect Set-Up

1936

Detective Hewitt (uncredited)

Black Gold

1936

Dan O'Reilly

The Murder of Dr. Harrigan

1936

Police Sergeant

The Pace That Kills

1935

Mr. Farley

The Eagle's Brood

1935

Mike

Men Without Names

1935

Agent Joe

'G' Men

1935

Police Chief at Lodge (uncredited)

Woman in the Dark

1934

Prison Warden

A Burglar to the Rescue

1931

The Burglar, Holtz aka Jack Dunning

Monsieur Beaucaire

1924

Badger

Icebound

1924

Judge Bradford

The Bride's Play

1922

Sir John Mansfield

Boomerang Bill

1922

Terrence O'Malley

Perjury

1921

Phil Rourke

The Prisoner of Zenda

1913

Detchard