Johnny Duncan

Spartacus(1960)

Beheaded Man (uncredited)

Plan 9 from Outer Space(1957)

Second Stretcher Bearer (uncredited)

Rock Around the Clock(1956)

Prom Dancer (uncredited)

Highway Dragnet(1954)

Marine (uncredited)

The Caine Mutiny(1954)

Sailor

The Wild One(1953)

Gang Member (uncredited)

The Flaming Urge(1953)

Ralph Jarvis

So You Want to Be a Musician(1953)

Jitterbugger

He Ran All the Way(1951)

Boy at Pool (uncredited)

A Wonderful Life(1950)

When Willie Comes Marching Home(1950)

Soldier (uncredited)

Summer Stock(1950)

Stock Company Member (uncredited)

Walk Softly, Stranger(1950)

Office Messenger (uncredited)

Whirlpool(1950)

Soldier (uncredited)

Batman and Robin(1949)

Robin / Dick Grayson

Take One False Step(1949)

Bellhop (uncredited)

Street Corner(1948)

Hal

It Had to Be You(1947)

Vendor (uncredited)

Trail to San Antone(1947)

Ted Malloy

Johnny O'Clock(1947)

Newsboy

From This Day Forward(1946)

Young Lieutenant

The Walls Came Tumbling Down(1946)

Bellboy

Salty O'Rourke(1945)

Ralph (uncredited)

Mr. Muggs Rides Again(1945)

Squeegie Robinson

Come Out Fighting(1945)

Gilbert Mitchell

Thirty Seconds Over Tokyo(1944)

Jitterbugger (uncredited)

Teen Age(1944)

Dan Murray

Delinquent Daughters(1944)

Rocky Webster

Million Dollar Kid(1944)

Roy Cortland

Youth Aflame(1944)

Jitterbugger

A Fig Leaf for Eve(1944)

Bellboy

Campus Rhythm(1943)

Freshie, a Freshman

The Mystery of the 13th Guest(1943)

Harold Morgan (as John Duncan)

The Unknown Guest(1943)

Teenager at Carnival (uncredited)

Action in the North Atlantic(1943)

Sailor (uncredited)

Swing Fever(1943)

Dancer, USO Sailor (uncredited)

The Gang's All Here(1943)

Jitterbug Dancer (uncredited)

Call of the Canyon(1942)

Jitterbug (uncredited)