Cast:Robert Mitchum .... Capt. Murrell
Curd Jürgens .... Von Stolberg (as Curt Jurgens)
David Hedison .... Lt. Ware (Executive Officer [XO]) (as Al Hedison)
Theodore Bikel .... 'Heinie' Schwaffer
Russell Collins .... Doctor
Kurt Kreuger .... Von Holem
Frank Albertson .... Lt. (j.g.) Crain
Biff Elliot .... Quartermaster
David Bair .... Ellis (uncredited)
Jimmy Bates .... QM1 Quiroga (uncredited)
Thomas Beyl .... FMB operator (uncredited)
Robert Boon .... Chief Engineer (uncredited)
Joe Brooks .... German soldier (uncredited)
Roger Cornwell .... German sailor (uncredited)
Dale Cummings .... German sailor (uncredited)
Jeff Daley .... BMSN Corky (uncredited)
Peter Dane .... Radarman Andrews (uncredited)
Vince Deadrick Sr. .... American sailor (uncredited)
Alan Dexter .... Lt. Mackeson (uncredited)
Joe Di Reda .... BMSN Robbins (uncredited)
Maurice Doner .... Cook (uncredited)
Richard Elmore .... American sailor (uncredited)
Sasha Harden .... German sailor (uncredited)
Jack N. Kramer .... Albert, German sailor (uncredited)
Arthur La Ral .... Kunz (uncredited)
Marco López .... Soldier (uncredited)
Ralph Manza .... Lt. Bonelli (uncredited)
Doug McClure .... Ens. Merry (uncredited)
Michael McHale .... German soldier (uncredited)
Gordon Mitchell .... (uncredited)
Frank Obershall .... Braun (uncredited)
Ted Perritt .... Messenger (uncredited)
David Post .... Sonarman Lewis (uncredited)
Ralph Reed .... Fireman (uncredited)
Werner Reichow .... Mueller (uncredited)
Ronnie Rondell Jr. .... American sailor (uncredited)
Dan Tana .... German sailor (uncredited)
Robert Whiteside .... Torpedo petty officer (uncredited)
Lee J. Winters .... Striker (uncredited)
