Robert Urich

Jack Carpenter

Ali MacGraw

Claire Carpenter

Danielle von Zerneck

Susan

David Franklin

Wally

David Daniels

Timmy

Gus Mercurio

Mr. Haines

Betty Bobbitt

Mrs. Haines

Peter Sumner

Buzz

John Heywood

Commander

Michael Bishop

Howard

David Tipoki

Fishing Captain

Pahnie Jantzen

First Mate