David McMahon

The Case of Patty Smith

1962

as Father O'Brien

Birdman of Alcatraz

1962

as Inmate (uncredited)

Let No Man Write My Epitaph

1960

as Barney the Bartender (uncredited)

The FBI Story

1959

as Klansman (uncredited)

Cowboy

1958

as Cattle Buyer

The Bonnie Parker Story

1958

as Frank - Missouri Deputy (uncredited)

Party Girl

1958

as Jail Guard (uncredited)

The Deadly Mantis

1957

as Capt. Frank Carver

The Monster That Challenged the World

1957

as Patterson

Operation Mad Ball

1957

as MSgt. Pringle (uncredited)

The Spirit of St. Louis

1957

as Lane (uncredited)

The Peacemaker

1956

as Sam Davis

The Creature Walks Among Us

1956

as Capt. Stanley

It Conquered the World

1956

as Gen. Carpenter

Dance With Me, Henry

1956

as Savoldi (uncredited)

Bus Stop

1956

as Ticket Taker at Bus (uncredited)

Captain Fathom

1955

as Duncan

Top Of The World

1955

as Brownie

Rebel Without a Cause

1955

as Crunch's Father (uncredited)

I Died a Thousand Times

1955

as Auto Court Owner (uncredited)

Let's Do It Again

1953

as Nightclub Doorman (uncredited)

The War of the Worlds

1953

as Minister, First Church (uncredited)

Glory Alley

1952

as Frank, the Policeman

Off Limits

1952

as Shore Patrolman (uncredited)

Don't Bother to Knock

1952

as Uniformed Cop at End (uncredited)

O. Henry's Full House

1952

as Cop (segment "The Clarion Call") (uncredited)

The Scarf

1951

as State Trooper

Roadblock

1951

as Police Radio Operator (uncredited)

Cry Danger

1951

as Trailer Park Officer (uncredited)

The Thing from Another World

1951

as Gen. Fogarty

Best of the Badmen

1951

as Ed Perk (uncredited)

Darling, How Could You!

1951

as Lieutenant (Uncredited)

Strangers on a Train

1951

as Bystander at Drain (uncredited)

Storm Warning

1951

as Hollis (uncredited)

The Breaking Point

1950

as Coast Guardsman (uncredited)

Mystery Street

1950

as Detective Garrity (uncredited)

When Willie Comes Marching Home

1950

as Col. Ainsley (uncredited)

Where the Sidewalk Ends

1950

as Harrington (uncredited)

Peggy

1950

as Cab Driver

I Was a Male War Bride

1949

as Army Chaplain (uncredited)

Adam's Rib

1949

as Reporter (uncredited)

The Great Sinner

1949

as Station master (uncredited)

Pitfall

1948

as Police Lieutenant

Hazard

1948

as Bailiff (uncredited)

Something in the Wind

1947

as Nolan (uncredited)