饰Prof. Clete Ferguson
饰Helen Dobson
饰Joe Hayes
饰Lucas
饰Jackson Foster
饰Lou Gibson
饰George Johnson (as R
饰Police Captain (as C
饰Woman on Boat (uncre
饰Gill Man, The Creatu
饰Miss Abbott, chimp t
饰Cop (uncredited)
饰Lab Technician (uncr
饰Skipper (uncredited)
饰Cop (uncredited)
饰Pete, teen killed by
饰Joe
饰Gill Man, The Creatu
饰Bit (uncredited)
饰Charlie (uncredited)
饰Institute Worker (un
饰Announcer (uncredite
饰Dr. McCuller (uncred
饰Man in Search Party
饰Cop (uncredited)
饰Joe, man with search