Hubertus Bengsch
as 1st Lieutenant/Number One/1WO
Klaus Wennemann
as Der Leitende/Der LI/Chief Engineer/Fritz Grade
Erwin Leder
as Johann
Uwe Ochsenknecht
as Chief Bosun
Jürgen Prochnow
as Der Alte/Capt.-Lt. Henrich Lehmann-Willenbrock
Martin Semmelrogge
as 2nd Lieutenant/2WO
Herbert Grönemeyer
as Lt. Werner/Correspondent
Bernd Tauber
as Kriechbaum/Chief Quartermaster/Navigator
Martin May
as Ullman
Heinz Hoenig
as Hinrich