Joe Flynn

Captain Wallace B. Binghamton

Tim Conway

Ensign Charles Parker

Bob Hastings

Lt. Elroy Carpenter

Gary Vinson

Quatermaster George Christopher

Billy Sands

Motor Machinist Mate Harrison Bell

Edson Stroll

Virgil Edwards

Yoshio Yoda

Takeo 'Fuji' Fugiwara

Gavin MacLeod

Seaman Joseph Haines

Tom Tully

Gen. Harkness

Ted Bessell

Lt. Wilbur Harkness

Jean Hale

Sgt. Madge Collins

Jacques Aubuchon

Dimitri

Len Lesser

NKVD commissar

Mako

Japanese Submarine Captain (uncredited)

Berkeley Harris

Vogel