Directed by Jack Arnold   Written by William Alland   Martin Berkeley   Cast 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 ... Captain of Police (as Charles R. Cane) Uncredited Cast Loretta Agar ... Woman on Boat Bill Baldwin ... Patrol Boat Dispatcher (voice) Jere Beery Sr. ... Photographer Ricou Browning ... The Gill Man (In Water) / Lab Technician Diane DeLaire ... Miss Abbott Mike Doyle ... Cop Clint Eastwood ... Jennings Jack Gargan ... Skipper Charles A. Gibbs ... Cop Brett Halsey ... Pete Don C. Harvey ... Mac - Spotlight Party Leader Tom Hennesy ... The Gill Man (On Land) / Marineland Diver Don House ... Diver Bob Hoy ... Charlie Ned Le Fevre ... Newscaster Sydney Mason ... Police Announcer Robert Nelson ... Dr. McCuller Patricia Powers ... Girl in Convertible Bert Stevens ... Search Party Member Charles Victor ... Policeman Bob Wehling ... Joe James R. Wolfe ... Man at Tank Produced by William Alland   Original Music by William Lava   Herman Stein

Additional Info Premiere: March 29, 1955 DVD Release: October 19, 2004 Country: Distributor: Universal Studios Websites: Production Companies Universal International Pictures (UI) Distributors Universal Pictures   (1955) (USA) (theatrical) (as Universal-International) MCA/Universal Home Video   (2000) (USA) (VHS) MCA/Universal Home Video   (2000) (USA) (video) (laserdisc) NBC Universal Television Distribution   (2011) (World-wide) (TV) (syndication) Shout! Factory   (2012) (USA) (DVD) (MST3K version) Universal Pictures Home Entertainment (UPHE)   (2014) (USA) (DVD) Rating Stats Overall Rating 5.6 / 10 Our Rating 5.6 / 10 Your Friends -- / 10 Male Users 5.6 / 10 Female Users -- / 10 Site Ranking #5,180 / 21,119 Ratings Breakdown Almost Perfect 2 total ratings Average 1 total rating Site Ranking #5,176 Braddock: Missing In Action III (1988) #5,177 Breakin' (1984) #5,178 Just Before Dawn (1981) #5,179 The Heart Is Deceitful Above All Things (2004) #5,180 Revenge Of The Creature (1955) #5,181 Dark Floors (2008) #5,182 The Ghost Of Frankenstein (1942) #5,183 Amazing Stories: Season 1 (2020) #5,184 Satanic (2016)