The Lost World

Michael Rennie

as Lord John Roxton

Jill St. John

as Jennifer Holmes

David Hedison

as Ed Malone

Claude Rains

as Prof. George Edward Challenger

Fernando Lamas

as Manuel Gomez

Richard Haydn

as Prof. Summerlee

Ray Stricklyn

as David Holmes

Jay Novello

as Costa

Vitina Marcus

as Native Girl

Ian Wolfe

as Burton White

Colin Campbell

as Prof. Waldron (uncredited)

John Graham

as Stuart Holmes (uncredited)

Larry Chance

as Indian Chief (uncredited)

Bert Stevens

as Reporter at Airport (uncredited)

Al Bain

as Man at Airport (uncredited)

Bess Flowers

as Guest at Zoological Institute Forum (uncredited)

Kenner G. Kemp

as Guest at Zoological Institute Forum (uncredited)

Cosmo Sardo

as Guest at Zoological Institute Forum (uncredited)

Murray Pollack

as Guest at Zoological Institute Forum (uncredited)