Elliott Gould (Robert Condon)
Cybill Shepherd (Amanda Kelly)
Angela Lansbury (Miss Froy)
Herbert Lom (Dr. Hartz)
Ian Carmichael (Caldicott)
Claus Fuchs (Station Master)
Claus-Dieter Reents (1st Killer)
Pierre Franckh (Bellboy)
Edgar Wenzel (Waiter)
Bruno Thost (Signal Box Man)
John Alkin (Party Guest)
Jeremy Bulloch (Party Guest)
William Hootkins (Party Guest)
Dan van Husen (2nd Killer)
Vladek Sheybal (Trainmaster)
Madlena Nedeva (Jenny the Nun)
Wolf Kahler (Helmut)
Madge Ryan (Rose Flood-Porter)
Rosalind Knight (Mrs. Barnes)
John Hackett (Waiter)
Barbara Markham (Mme. Kummer)
Hillevi (Maid's Daughter)
Garry McDermott (Manservant)
Jacki Harding (Maid)
Arthur Lowe (Chatters)
Gerald Harper (Mr. Todhunter)
Jean Anderson (Baroness Kisling)
Jenny Runacre (Mrs. Todhunter)