David McMahon

Birdman of Alcatraz
Inmate
Movie, 1962

Doctor Please Help Me
Father O'Brien
Movie, 1962

Reach for Tomorrow
Barney the Bartender
Movie, 1960

The FBI Story
Klansman
Movie, 1959

Frontier
Cattle Buyer
Movie, 1958

The Bonnie Parker Story: The Female Monster
Frank - Missouri Deputy
Movie, 1958

The Giant Mantis
Capt. Frank Carver
Movie, 1957

The Monster That Challenged the World
Patterson
Movie, 1957

Operation Mad Ball
MSgt. Pringle
Movie, 1957

Bus Stop
Ticket Taker at Bus
Movie, 1956

Creature 3 - The Creature Walks Among Us (1956)
Capt. Stanley
Movie, 1956

Dance with Me, Henry
Savoldi
Movie, 1956

It Conquered the World
Gen. Carpenter
Movie, 1956

Rebel Without a Cause
Crunch's Father
Movie, 1955

I Died a Thousand Times
Auto Court Owner
Movie, 1955

The War of the Worlds
Minister, First Church
Movie, 1953

Don't Bother to Knock
Uniformed Cop at End
Movie, 1952

Glory Alley
Frank, the Policeman
Movie, 1952

O. Henry's Full House
Cop (segment "The Clarion Call")
Movie, 1952

Off Limits
Shore Patrolman
Movie, 1952

Bannerline
Movie, 1951

Best of the Badmen
Ed Perk
Movie, 1951

Cry Danger
Trailer Park Officer
Movie, 1951

Darling, How Could You!
Lieutenant
Movie, 1951

Inside the Walls of Folsom Prison
Movie, 1951

Roadblock
Police Radio Operator
Movie, 1951

The Thing from Another World
Gen. Fogarty
Movie, 1951

Mystery Street
Detective Garrity
Movie, 1950

When Willie Comes Marching Home
Col. Ainsley
Movie, 1950

Where the Sidewalk Ends
Harrington
Movie, 1950

Adam's Rib
Reporter
Movie, 1949

I Was a Male War Bride
Army Chaplain
Movie, 1949

Something in the Wind
Nolan
Movie, 1947