La Revanche de la créature

John Agar

— Prof. Clete Ferguson

Lori Nelson

— Helen Dobson

John Bromfield

— Joe Hayes

Nestor Paiva

— Captain Lucas

Grandon Rhodes

— Jackson Foster

Dave Willock

— Lou Gibson

Robert B. Williams

— George Johnson

Charles Cane

— Police Captain

Loretta Agar

— Woman on Boat (uncredited)

Bill Baldwin

— Patrol Boat Dispatcher (voice / uncredited)

Jere Beery

— Photographer (uncredited)

Ricou Browning

— The Gill Man (in water) / Lab Technician (uncredited)

Diane DeLaire

— Miss Abbott (uncredited)

Mike Doyle

— Cop (uncredited)

Clint Eastwood

— Jennings (uncredited)

Jack Gargan

— Skipper (uncredited)

Charles Gibb

— Cop (uncredited)

Brett Halsey

— Pete (uncredited)

Don C. Harvey

— Mac - Spotlight Party Leader (uncredited)

Tom Hennesy

— The Gill Man (on land) / Marineland Diver (uncredited)

Don House

— Diver (uncredited)

Robert F. Hoy

— Charlie (uncredited)

Ned Le Fevre

— Newscaster (uncredited)

Sydney Mason

— Police Announcer (uncredited)

Robert Nelson

— Dr. McCuller (uncredited)

Patricia Powers

— Girl in Convertible

Bert Stevens

— Search Party Member (uncredited)

Charles Victor

— Policeman (uncredited)

Robert Wehling

— Joe (uncredited)

James R. Wolfe

— Man at Tank (uncredited)