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)

Regis Parton

Minor Role (uncredited)

Luce Potter

Violet (uncredited)

Jack Arnold

Director

Richard Matheson

Screenplay

Richard Matheson

Novel

Ellis W. Carter

Director of Photography

Albert Zugsmith

Producer

Richard Alan Simmons

Screenplay

George Ohanian

Sound Editor

Bob Hirsch

Sound Editor

Jack Kevan

Makeup Artist

Jay A. Morley Jr.

Costume Design

Russell A. Gausman

Set Decoration

Alexander Golitzen

Art Direction

Ruby R. Levitt

Set Decoration

Albrecht Joseph

Editor

Robert Clatworthy

Art Direction

Clifford Stine

Visual Effects

Joseph Gershenson

Music Supervisor

Bud Westmore

Makeup Artist

Joan St. Oegger

Hairstylist

Dorothy Hughes

Script Supervisor

Jim Hilbert

Grip

Lew Leary

Unit Manager

Fred Knoth

Special Effects

Richard Walling

Still Photographer

Whitey McMahon

Prop Maker

Wilbur Mosier

Assistant Director

Ed Keyes

Property Master

Cleo E. Baker

Special Effects

Herman Stein

Original Music Composer

Bob Larson

Assistant Unit Manager

Hans J. Salter

Original Music Composer

Roy Neel

Assistant Property Master

Roger A. Parish

Boom Operator

Martha Bunch

Costume Design

Virginia Jones

Hairdresser

Donald Cunliffe

Sound Recordist

Stanley Guliver

Key Grip

Irving Gertz

Original Music Composer

Earl E. Lawrence

Original Music Composer

Floyd Farrington

Props

Everett Lehman

Best Boy Grip

William Dodds

Camera Operator

Tom McCrory

Additional Photography

Martha Bunch

Wardrobe Master

Ethmer Roten

Musician

Ray Gockel

Production Coordinator

Ray Anthony

Musician

William Holland

Assistant Director

Leslie I. Carey

Sound

Everett H. Broussard

Visual Effects

Robert Pritchard

Sound

Tom Ouellette

Gaffer

Robert Pierce

Assistant Camera

Rydo Loshak

Costume Design

Rydo Loshak

Wardrobe Master

Henry Janssen

Cableman

Roswell A. Hoffmann

Visual Effects