Director
John Sherwood
DIRECTOR
Stars (in credits order)
Jeff Morrow
Dr. William Barton
Rex Reason
Dr. Thomas Morgan
Leigh Snowden
Marcia Barton
Gregg Palmer
Jed Grant
Maurice Manson
Dr. Borg
James Rawley
Dr. Johnson
David McMahon
Captain Stanley
Paul Fierro
Morteno
Lillian Molieri
Mrs. Morteno
Larry Hudson
State Trooper
Frank Chase
Steward
Ricou Browning
The Gill Man (in water)uncredited
Don Megowan
The Gill Man (on land)uncredited
George Sowards
Ranchhanduncredited