Cast (15)

Richard Carlson

Dr. David Reed

Julie Adams

Kay Lawrence

Richard Denning

Dr. Mark Williams

Antonio Moreno

Dr. Carl Maia

Nestor Paiva

Captain Lucas

Whit Bissell

Dr. Edwin Thompson

Bernie Gozier

Zee

Henry A. Escalante

Chico

Ricou Browning

The Gill Man In Water (uncredited)

Ben Chapman

The Gill Man On Land (uncredited)

Art Gilmore

Narrator (voice) (uncredited)

Perry Lopez

Tomas (uncredited)

Sydney Mason

Dr. Matos (uncredited)

Rodd Redwing

Luis (uncredited)

James Miller

Old Man (uncredited)

Crew (44)

Ted J. Kent

Editor

William E. Snyder

Director of Photography

Jack Arnold

Director

Harry Essex

Screenplay

Henry Mancini

Original Music Composer

Arthur A. Ross

Screenplay

Hans J. Salter

Original Music Composer

William Alland

Producer

Herman Stein

Original Music Composer

Ginger Stanley

Stunts

Jack N. Young

Stunts

Ted White

Stunts

Ethmer Roten

Musician

Russ Haverick

Assistant Director

James R. Wolfe

Driver

William Alland

Idea

Al Wyatt Sr.

Stunts

Everett Brown

Grip

Gene Poole

Stunts

Foster Thompson

Unit Manager

Robert Hickman

Makeup Artist

Ray Craddock

Sound Editor

Albert E. Kennedy

Sound Editor

Jack Kevan

Makeup Artist

Chris Mueller

Makeup Artist

Maurice Zimm

Story

Ray Jeffers

Set Decoration

Hilyard M. Brown

Art Direction

Bernard Herzbrun

Art Direction

Joan St. Oegger

Hairstylist

Bud Westmore

Makeup Artist

Russell A. Gausman

Set Decoration

Leslie I. Carey

Sound

Joe Lapis

Sound

Milton Rosen

Music

James Curtis Havens

Underwater Camera

Robert Emmett Dolan

Music

Scotty Welbourne

Still Photographer

E. Thomas Case

Makeup Artist

Polly Burson

Stunt Double

Fred Frank

Assistant Director

Joseph Gershenson

Music Director

Milicent Patrick

Creature Design

Milicent Patrick

Makeup Designer