Harry Kerwin
Director
Harry Kerwin
Screenplay
Wayne Crawford
Producer
Harry Kerwin
Producer
Wayne Crawford
Screenplay
Barbara Kerwin
Costume Design
Edmund Gibson
Director of Photography
Klaus Schulze
Original Music Composer
Jane McCulley
Editor
Wayne Crawford
Underwater Director of Photography
Wayne Crawford
Story
Harry Kerwin
Story
Betty Kerwin
Script Supervisor
Derek C. Anderson
Assistant Editor
Ed Wujciak
First Assistant Director
Francis A. Payne
Second Assistant Director
Emily S. Riddell
Production Manager
Nik Petrik
Key Grip
Charles Hines
Gaffer
John Partipilo
Still Photographer
Barbara Kerwin
Makeup Artist
Elizabeth Lambert
Makeup Artist
Wayne Crawford
Mike Canfield
Jason Evers
Dr. Elliot Snow
Roberta Leighton
Liza Williams
Cliff Emmich
Lester
William Kerwin
Sheriff Ben Williams
Bert Freed
Jack
Barbara Keegan
Maggie Snow (as Bobbie Ellyne Kosstrin)
Jerry Albert
Bubba (as Jerry Rhodes)
Frank Logan
Sam
Harry Kerwin
Goverment Agent #1
Rick Rhodes
Goverment Agent #2
Robert G. Noe
Hotel Clerk
William Roundebush
Boy Student
Denise Taylor
Girl Student
Leigh Walsh
Girl Student
Dan Fitzgerald
Cook (as Daniel L. Fitzgerald)
Edmund Lupinski
Boy on Beach (as Ed Lupinski)
Kim Nichols
Girl on Beach
