The Invisible Boy

Richard Eyer

Timmie Merrinoe

Philip Abbott

Dr. Tom Merrinoe

Diane Brewster

Mary Merrinoe

Harold J. Stone

Gen. Swayne

Robert H. Harris

Prof. Frank Allerton

Alexander Lockwood

Arthur Kelvaney

Gage Clarke

Dr. Bannerman

Than Wyenn

Prof. Zeller

Ralph Votrian

1st Gate Sergeant

Michael Miller

2nd Gate Sergeant

Rayford Barnes

Capt. McLaren (uncredited)

Helen Kleeb

Miss Vandergrift (uncredited)

Элви Мур

Scientist (uncredited)

Gary Vinson

Young soldier (uncredited)

Marvin Miller

Robby the Robot (voice) (uncredited)

Robby the Robot

Robby

Dennis McCarthy

Col. Macklin

John O'Malley

Prof. Baine

Jefferson Dudley Searles

Prof. Foster

Alfred Linder

Martin / Computer