Gustav Knuth

Character: Robert Swingle / Dr. Richard Swingle / Paul

Eva Pflug

Character: Christine Swingle / Eileen O'Shea / Mary

Dieter Thomas Heck

Character: Frank Swingle / Marten Swenska / Tony

Doris Gallart

Character: Mrs. Mabel Glanville / Miss Evelyn Bowder

Wolfgang Völz

Character: Mr. Jeremias Gotthelf "Gigi" Schultz