Harry Townes

Jim Benedict

John Agar

Col. Matthews

Whitney Blake

June

Cecil Kellaway

Dr. A.A. Andrews

Charles Aidman

Dave

Gail Kobe

Kim

Edward Platt

Dr. Easton (as Edward C. Platt)

William Traylor

Space Ship Crew

John Clarke

Space Ship Crew

Joel Lawrence

Space Ship Crew

Jon Lormer

Prof. Logan

Robert Cornthwaite

Sen. Royce

Sam Edwards

Technician (uncredited)

Frank Gerstle

Member of Senate Investigating Committee (uncredited)

Biff McGuire

Technician (uncredited)

Ed Prentiss

Mr. Duffy (uncredited)

Bert Remsen

Technician (uncredited)

Joseph Pevney

Director

Van Cleave

Music

James A. Schulke

Supervising Producer

Winston H. Leverett

Sound

Loyal Griggs

Cinematography

Wally Westmore

Makeup Supervisor

Hal Pereira

Art Direction

Alford Van Ronkel

Writer

Ray Moyer

Set Decoration

Sam Comer

Set Decoration

Albert Nozaki

Art Direction

Lyle Figland

Sound

Alford Van Ronkel

Producer

Jerry Webb

Editor

Richard Caffey

Assistant Director