Cast (19)

Michael Rennie

Lord John Roxton

Jill St. John

Jennifer Holmes

David Hedison

Ed Malone

Claude Rains

Prof. George Edward Challenger

Fernando Lamas

Manuel Gomez

Richard Haydn

Prof. Summerlee

Ray Stricklyn

David Holmes

Jay Novello

Costa

Vitina Marcus

Native Girl

Ian Wolfe

Burton White

Colin Campbell

Prof. Waldron (uncredited)

John Graham

Stuart Holmes (uncredited)

Larry Chance

Indian Chief (uncredited)

Bert Stevens

Reporter at Airport (uncredited)

Al Bain

Man at Airport (uncredited)

Bess Flowers

Guest at Zoological Institute Forum (uncredited)

Kenner G. Kemp

Guest at Zoological Institute Forum (uncredited)

Cosmo Sardo

Guest at Zoological Institute Forum (uncredited)

Murray Pollack

Guest at Zoological Institute Forum (uncredited)

Crew (19)

Irwin Allen

Screenplay

Irwin Allen

Producer

Joseph Kish

Set Decoration

Paul Sawtell

Original Music Composer

John Sturtevant

Set Decoration

Hugh S. Fowler

Editor

Duncan Cramer

Art Direction

Walter M. Simonds

Art Direction

Paul Zastupnevich

Costume Design

Ben Nye

Makeup Artist

Helen Turpin

Hairstylist

Irwin Allen

Director

Charles Bennett

Screenplay

Bert Shefter

Original Music Composer

Walter M. Scott

Set Decoration

Winton C. Hoch

Director of Photography

Ad Schaumer

Assistant Director

Arthur Conan Doyle

Novel

Willis H. O'Brien

Visual Effects