Proof

Hope Davis as Claire Llewellyn John Keefe as University Friend Tobiasz Daszkiewicz as Limo Driver Gary Houston as Professor Barrow Anne Wittman as Friend at Party Gwyneth Paltrow as Catherine Llewellyn Danny McCarthy as Cop Leigh Zimmerman as Friend at Party Colin Stinton as Theoretical Physicist Roshan Seth as Professor Bhandari Chipo Chung as University Friend C. Gerod Harris as University Friend Anthony Hopkins as Robert Llewellyn Jake Gyllenhaal as Harold 'Hal' Dobbs

John Madden Director Robert Kessel Producer Daniel Laurie Dialogue Editor, ADR Editor Harvey Weinstein Executive Producer Rebecca Miller Screenplay Becky Bentham Music Supervisor Bob Weinstein Executive Producer Alison Owen Producer Alwin H. Küchler Director of Photography Julie Goldstein Executive Producer Suzanne Smith Crowley Casting Stephen Warbeck Original Music Composer