Revenge of the Creature

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)