| Patricia Clarkson | April |
| Bruno Ganz | Gottfried |
| Cherry Jones | Martha |
| Emily Mortimer | Jinny |
| Cillian Murphy | Tom |
| Kristin Scott Thomas | Janet |
| Timothy Spall | Bill |
Technical Credits
| Sally Potter | Director,Screenwriter |
| Rebecca Alleway | Art Director |
| Matt Biffa | Musical Direction/Supervision |
| Rebecca Cole | Makeup |
| Carlos Conti | Production Designer |
| Fay DeBremaeker | Makeup |
| John Giwa-Amu | Executive Producer |
| Robert A. Halmi | Executive Producer |
| Kurban Kassam | Producer |
| Heidi Levitt | Co-producer |
| Karl Liegis | Production Manager |
| Adam Lock | Asst. Director |
| Michael Manzi | Co-producer |
| Emilie Orsini | Editor |
| Jane Petrie | Costumes/Costume Designer |
| Jim Reeve | Executive Producer |
| Anders Refn | Editor |
| Alex Rodionov | Cinematographer |
| Christopher Sheppard | Producer |
