 Faye DunawayDenise Kreisler | Denise Kreisler |
 Oskar WernerProfessor Egon Kreisler | Professor Egon Kreisler |
 Lee GrantLili Rosen | Lili Rosen |
 Sam WanamakerCarl Rosen | Carl Rosen |
 Lynne FrederickAnna Rosen | Anna Rosen |
 David de KeyserJoseph Joseph | Joseph Joseph |
 Luther AdlerProfessor Weiler | Professor Weiler |
 Wendy HillerRebecca Lara Weiler | Rebecca Lara Weiler |
 Julie HarrisAlice Fienchild | Alice Fienchild |
 Nehemiah PersoffHerr Hauser | Herr Hauser |
 Maria SchellFrau Miriam Hauser | Frau Miriam Hauser |
 Paul KosloAaron Pozner | Aaron Pozner |
 Jonathan PryceJoseph Manasse | Joseph Manasse |
 Brian GilbertLaurenz Schulman | Laurenz Schulman |
 Georgina HaleLotte Schulman | Lotte Schulman |
 Milo SperberRabbi | Rabbi |
 Max von SydowCaptain Schroeder | Captain Schroeder |
 Malcolm McDowellMax Gunter | Max Gunter |
 Helmut GriemOtto Schiendick | Otto Schiendick |
 Keith BarronPurser Mueller | Purser Mueller |
 Anthony HigginsSeaman Heinz Berg | Seaman Heinz Berg |
| IIan CullenRadio Officer | Radio Officer |
 Donald HoustonDr. Glauner | Dr. Glauner |
 David DakerFirst Officer | First Officer |
 Constantine GregoryNavigation Officer | Navigation Officer |
 Don HendersonEngineering Officer | Engineering Officer |
| IIna SkriverSinger | Singer |
 Orson WellesJosé Estedes | José Estedes |
 James MasonDr. Juan Remos | Dr. Juan Remos |
 Katharine RossMila Hauser | Mila Hauser |
