Aaron Stanford       |  Oscar Grubman         |  Robin Kahnmeyer
 Kate Mara            |  Miranda Spear         |  Sonja Spuhl
 Robert Iler          |  Charlie               |  Tobias Müller
 Peter Appel          |  Jimmy the Doorman     |  Hans-Jürgen Wolf / Ernst Meincke ?
 Bebe Neuwirth        |  Diane Lodder          |  Katharina Koschny
 Ron Rifkin           |  Professor Tisch       |  Reinhard Kuhnert
 Alicia Van Couvering |  Daphne Tisch          |  Maria Koschny
 John Ritter          |  Stanley Grubman       |  Bodo Wolf
 Sigourney Weaver     |  Eve Grubman           |  Karin Buchholz
 Paul Butler          |  Professor Sherman     |  Karl Schulz +
 Michael Connors      |  Man in Bar            |  Erich Räuker +
 Theo Kogan           |  Woman in Bar          |  Claudia Urbschat-Mingues +
 Adam LeFevre         |  Phil                  |  Roland Hemmo
 Hope Chernov         |  Samantha Steadman     |  Liane Rudolph +
 Debbon Ayer          |  Jean                  |  Heike Schroetter / Viola Sauer ?
 Harry Kellerman      |  Tea Waiter            |  ?
 Reade Kelly          |  Mr. Smith             |  ?
 Danielle Di Vecchio  |  Mrs. Smith            |  ?
 John Feltch          |  Mr. Bob Spear         |  ?
 Henry Haile          |  Le Gardin Waiter      |  ?
 Lee Brock            |  Charlie's Mom         |  ?
 Marcia DeBonis       |  Abigail (uncredited)  |  ?
 Seth Gabel           |  Mike (uncredited)     |  ?
 Ebonie Smith         |  Betsy (uncredited)    |  ?

 Synchronfirma: Studio Babelsberg Synchron GmbH