Proof 18 years old

The biggest risk in life is not taking one.


Catherine is a woman in her late twenties who is strongly devoted to her father, Robert, a brilliant and well-known mathematician whose grip on reality is beginning to slip away. As Robert descends into madness, Catherine begins to wonder if she may have inherited her father's mental illness along with his mathematical genius.


Proof Cast

Name Character
Jake Gyllenhaal He was 24, now 42 years old as Harold 'Hal' Dobbs
Gwyneth Paltrow She was 32, now 50 years old as Catherine Llewellyn
Anthony Hopkins He was 67, now 85 years old as Robert Llewellyn
Hope Davis She was 41, now 59 years old as Claire Llewellyn
Anne Wittman as Friend at Party
Colin Stinton He was 58, now 76 years old as Theoretical Physicist
Gary Houston as Professor Barrow
Roshan Seth He was 63, now 81 years old as Professor Bhandari
Danny McCarthy as Cop
John Keefe He was 138, 70 years old when he died as University Friend
C. Gerod Harris as University Friend
Leland Burnett as Band Vocalist
Chipo Chung She was 28, now 46 years old as University Friend
Tobiasz Daszkiewicz as Limo Driver
Leigh Zimmerman She was 36, now 54 years old as Friend at Party

Proof Crew

Name Department
Mick Audsley as Editor. He was 56 (now 74) years old Editing
Stephen Warbeck as Original Music Composer. He was 52 (now 70) years old Sound
John Hart as Producer. He was 87 (91) years old when He died Production
Jeffrey Sharp as Producer. Production
Suzanne Smith as Casting. Production
Kerry Barden as Casting. Production
Mark Auguste as Supervising Sound Editor. Sound
Julie Goldstein as Executive Producer. Production
Charmian Adams as Supervising Art Director. Art
Alwin H. Kuchler as Director of Photography. Camera
Alison Owen as Producer. She was 44 (now 62) years old Production
Robert Kessel as Producer. Production
Alice Normington as Production Design. Art
James D. Stern as Executive Producer. Production
Barbara Herman-Skelding as Set Decoration. Art
Jill Taylor as Costume Design. Costume & Make-Up
Keith Slote as Art Direction. Art
Charlotte Sewell as Costume Supervisor. Costume & Make-Up
David Auburn as Screenplay. He was 35 (now 53) years old Writing
David Auburn as Theatre Play. He was 35 (now 53) years old Writing
Rebecca Miller as Screenplay. She was 43 (now 61) years old Writing
Proof poster
Proof (18 years)

The biggest risk in life is not taking one.

  • Release day: Monday, September 05, 2005
  • Runtime: 101 minutes
  • Budget: 20000000.00
  • Revenue: 7535331.00