Der schwarze Freitag (1966) Online
| Cast overview, first billed only: | |||
 | Curd Jürgens | - | Richard Whitney |
 | Paul Hoffmann | - | George Whitney |
| Hermann Lenschau | - | Lex Dennison |
 | Dieter Borsche | - | Everett Gardener |
 | Peter Capell | - | William Stewart |
 | Ullrich Haupt | - | Frederic Hart (as Ulrich Haupt) |
 | Hans Christian Blech | - | Senator Caldwell |
 | Heinz Engelmann | - | Senator Brown |
 | Wolfgang Reichmann | - | Senator Melotti |
| Erik Ode | - | Senator O'Keefe |
| Franz Rudnick | - | Senator Henderson |
| Wolfgang Neuss | - | Jones |
| Manfred Steffen | - | Ferris |
| Hans Ulrich | - | Walker |
 | Horst Tappert | - | Narrator (voice) |