- Jamie Foxx
- Nathaniel Ayers
- Robert Downey Jr.
- Steve Lopez
- Catherine Keener
- Mary Weston
- Tom Hollander
- Graham Claydon
- LisaGay Hamilton
- Jennifer Ayers-Moore
- Stephen Root
- Curt
- Nelsan Ellis
- David Carter
- Rachael Harris
- Leslie
- Jena Malone
- Lab Technician
- Joe Wright
- Director
- Susannah Grant
- Screenwriter
- Gary Foster
- Producer
- Russ Krasnoff
- Producer
- Tim Bevan
- Executive Producer
- Eric Fellner
- Executive Producer
- Jeff Skoll
- Executive Producer
- Patricia Whitcher
- Executive Producer
- Seamus McGarvey
- Cinematographer
- Paul Tothill
- Film Editing
- Dario Marianelli
- Original Music
- Sarah Greenwood
- Production Design
- Suzan Wexler
- Art Director
- Julie K. Smith
- Set Decoration
- Jacqueline Durran
- Costume Design
- Francine Maisler
- Casting
