Gustav Knuth
Robert Swingle / Dr. Richard Swingle / Paul
Eva Pflug
Christine Swingle / Eileen O'Shea / Mary
Dieter Thomas Heck
Frank Swingle / Marten Swenska / Tony
Doris Gallart
Mrs. Mabel Glanville / Miss Evelyn Bowder
Wolfgang Völz
Mr. Jeremias Gotthelf "Gigi" Schultz
