Barracuda

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