Joe Flynn

Character: Captain Wallace B. Binghamton

Tim Conway

Character: Ensign Charles Parker

Bob Hastings

Character: Lt. Elroy Carpenter

Gary Vinson

Character: Quatermaster George Christopher

Billy Sands

Character: Motor Machinist Mate Harrison Bell

Edson Stroll

Character: Virgil Edwards

Yoshio Yoda

Character: Takeo 'Fuji' Fugiwara

Gavin MacLeod

Character: Seaman Joseph Haines

Tom Tully

Character: Gen. Harkness

Ted Bessell

Character: Lt. Wilbur Harkness

Jean Hale

Character: Sgt. Madge Collins

Jacques Aubuchon

Character: Dimitri

Len Lesser

Character: NKVD commissar

Mako

Character: Japanese Submarine Captain (uncredited)

Berkeley Harris

Character: Vogel