The Invisible Boy Characters

Characters played by Richard Eyer

• Timmie Merrinoe

Characters played by Philip Abbott

• Dr. Tom Merrinoe

Characters played by Diane Brewster

• Mary Merrinoe

Characters played by Harold J. Stone

• Gen. Swayne

Characters played by Robert H. Harris

• Prof. Frank Allerton

Characters played by Dennis McCarthy

• Col. Macklin

Characters played by Alexander Lockwood

• Arthur Kelvaney

Characters played by John O'Malley

• Prof. Baine

Characters played by Robby the Robot

• Robby

Characters played by Gage Clarke

• Dr. Bannerman

Characters played by Than Wyenn

• Prof. Zeller

Characters played by Jefferson Searles

• Prof. Foster (as Jefferson Dudley Searles)

Characters played by Alfred Linder

• Martin Computer

Characters played by Ralph Votrian

• 1st Gate Sergeant

Characters played by Michael Miller

• 2nd Gate Sergeant

Characters played by Rayford Barnes

• Capt. McLaren (uncredited)

Characters played by Helen Kleeb

• Miss Vandergrift (uncredited)

Characters played by Marvin Miller

• Robby the Robot (uncredited)

Characters played by Alvy Moore

• Scientist #4 (pranks scene) (uncredited)

Characters played by Gary Vinson

• Young soldier (uncredited)