Leon Tyler

The Monkey's Uncle(1965)

Leon

Son of Flubber(1963)

Humphrey Hacker (uncredited)

Wake Me When It's Over(1960)

Orderly (uncredited)

Ghost of Dragstrip Hollow(1959)

Bonzo the Clown

Outcasts of the City(1958)

Juvenile Jungle(1958)

Ballpark Usher

Spring Reunion(1957)

Teenager in Car (uncredited)

Ransom!(1956)

TV Assistant Director (uncredited)

Shake, Rattle and Rock!(1956)

Aloysius Pentigrouch

Lay That Rifle Down(1955)

Horace Speckleton

Just What I Needed(1955)

Teenager with Bicycle

Main Street to Broadway(1953)

Boy Actor (uncredited)

Sweethearts on Parade(1953)

Tommy Wayne

Flight Nurse(1953)

Soldier

Just for You(1952)

David McKenzie

People Will Talk(1951)

Student (uncredited)

That's My Boy(1951)

Student (uncredited)

Mr. Music(1950)

Bookish Student (uncredited)

Military Academy with That Tenth Avenue Gang(1950)

Specs

The Happy Years(1950)

Edward "Puffy" Ellis

Mr. Soft Touch(1949)

Percentage (Uncredited)

Mickey(1948)

Robbie Matthews

This Love of Ours(1945)

Ross

Son of Lassie(1945)

Arne

Great Stagecoach Robbery(1945)

Tattletale

Circumstantial Evidence(1945)

Lefty

The Seventh Cross(1944)

Fritz / Hitler Youth (uncredited)

The Great Mike(1944)

Junior

Maisie Goes to Reno(1944)

Boy (Uncredited)

The Moon Is Down(1943)

Boy (uncredited)

Bomber's Moon(1943)

Karl

Over My Dead Body(1942)

Tailor's Little Boy

On the Sunny Side(1942)

Flip

They Meet Again(1941)

Dick

Whistling in the Dark(1941)

Gerald (uncredited)

Helping Hands(1941)

Swedish Kid

Melody for Three(1941)

Clarence Mitchell (uncredited)

Spots Before Your Eyes(1940)

Kid