Peter Coyote

Himself - Narrator

Yuji Akamatsu

Himself - Veteran

Bob Ballard

Himself - Undersea Explorer

Richard Halsey Best

Himself - Veteran

Lloyd Childers

Himself - Veteran

Harry Ferrier

Himself - Veteran

Piers Gibbon

Narrator (Himself)

Bill Surgi

Himself - Veteran

Haruo Yoshino

Himself - Veteran

John Ford

Himself - Filmmaker (archive footage) (unaccredited)

Brian Breger

Peter Schnall