Człowiek, który się nieprawdopodobnie zmniejsza

Grant Williams

Scott Carey

Randy Stuart

Louise Carey

April Kent

Clarice Bruce

Paul Langton

Charlie Carey

Raymond Bailey

Doctor Thomas Silver

William Schallert

Doctor Arthur Bramson

Frank J. Scannell

Barker

Helene Marshall

Nurse

Diana Darrin

Nurse

Billy Curtis

Midget

Charles Perry

Spieler (uncredited)

Chet Brandenburg

Balloon Vendor (uncredited)

John Hiestand

KIRL TV Newscaster (uncredited)

Joe LaBarba

Joe (uncredited)

Perk Lazelle

Doctor (uncredited)

Lock Martin

Giant (uncredited)