Bradley Cooper, Ed Helms, Heather Graham at ‘The Hangover’ Celebrity Charity Poker Tournament

Heather Graham at 'The Hangover" Charity Poker Tournament
In anticipation of the release of the new comedy “The Hangover,” Warner Bros. Pictures hosted a celebrity charity poker tournament at The Poker Room of Caesars Palace on Friday (Pictured above: Heather Graham – Photo: © Erik Kabik/ RETNA/ www.erikkabik.com).  

Actors Bradley Cooper, Ed Helms, Zach Galifianakis, Heather Graham, Justin Bartha and director Todd Phillips competed in the tournament which benefited Opportunity Village, a not-for-profit organization in Las Vegas that serves people with intellectual disabilities. For more information about the charity, visit http://www.opportunityvillage.org/.

Zach Galifianakis at 'The Hangover' Charity Poker Tournament at Caesars Palace
Zach Galifianakis at 'The Hangover' Charity Poker Tournament at Caesars Palace

Photo: © Erik Kabik/ RETNA/ www.erikkabik.com

Bradley Cooper at  'The Hangover" Poker Tournament at Caesars Palace
Bradley Cooper at 'The Hangover' Poker Tournament at Caesars Palace

Photo: © Erik Kabik/ RETNA/ www.erikkabik.com

Ed Helms at 'The Hangover' Poker Tournament at Caesars Palace
Ed Helms at 'The Hangover' Poker Tournament at Caesars Palace

Photo: © Erik Kabik/ RETNA/ www.erikkabik.com

Director Todd Phillips at 'The Hangover' Poker Tournament at Caesars Palace
Director Todd Phillips at 'The Hangover' Poker Tournament at Caesars Palace

Photo: © Erik Kabik/ RETNA/ www.erikkabik.com

Heather Graham at 'The Hangover' Poker Tournament at Caesars Palace
Heather Graham at 'The Hangover' Poker Tournament at Caesars Palace

Photo: © Erik Kabik/ RETNA/ www.erikkabik.com

Zach Galifianakis (right) and his dad Harry at 'The Hangover' Poker Tournament
Zach Galifianakis (right) and his dad Harry at 'The Hangover' Poker Tournament

Photo: © Erik Kabik/ RETNA/ www.erikkabik.com

Bradley Cooper at 'The Hangover' Poker Tournament at Caesars Palace
Bradley Cooper at 'The Hangover' Poker Tournament at Caesars Palace

Photo: © Erik Kabik/ RETNA/ www.erikkabik.com

Heather Graham at 'The Hangover' Poker Tournament at Caesars Palace
Heather Graham at 'The Hangover' Poker Tournament at Caesars Palace

Photo: © Erik Kabik/ RETNA/ www.erikkabik.com

Zach Galifianakis and Todd Phillips at 'The Hangover' Poker Tournament at Caesars Palace
Zach Galifianakis and Todd Phillips at 'The Hangover' Poker Tournament at Caesars Palace

Photo: © Erik Kabik/ RETNA/ www.erikkabik.com

Todd Phillips and players at 'The Hangover' Poker Tournament at Caesars Palace
Todd Phillips and players at 'The Hangover' Poker Tournament at Caesars Palace

Photo: © Erik Kabik/ RETNA/ www.erikkabik.com

Heather Graham and boyfriend Yaniz Raz at 'The Hangover' Poker Tournament
Heather Graham and boyfriend Yaniz Raz at 'The Hangover' Poker Tournament

Photo: © Erik Kabik/ RETNA/ www.erikkabik.com

Zach Galifianakis and dad Harry at 'The Hangover' Poker Tournament at Caesars Palace
Zach Galifianakis, his dad Harry and Aaron Young (in green shirt, standing - the eventual winner)

Photo: © Erik Kabik/ RETNA/ www.erikkabik.com

Heather Graham at 'The Hangover' Poker Tournament at Caesars Palace
Heather Graham at 'The Hangover' Poker Tournament at Caesars Palace

Photo: © Erik Kabik/ RETNA/ www.erikkabik.com

Bradley Cooper at 'The Hangover' Poker Tournament at Caesars Palace
Bradley Cooper at 'The Hangover' Poker Tournament at Caesars Palace

Photo: © Erik Kabik/ RETNA/ www.erikkabik.com

The cast and director of 'The Hangover' at Caesars Palace
The cast and director of 'The Hangover' at Caesars Palace

Photo: © Erik Kabik/ RETNA/ www.erikkabik.com

Heather Graham at 'The Hangover' Poker Tournament at Caesars Palace
Heather Graham at 'The Hangover' Poker Tournament at Caesars Palace

Photo: © Erik Kabik/ RETNA/ www.erikkabik.com

Linda Smith (left) accepts the check on behalf of Opportunity Village and Aaron Wong (far right) who came in 1st place
Linda Smith (left) accepts the check on behalf of Opportunity Village and Aaron Young (far right) who came in 1st place

Photo: © Erik Kabik/ RETNA/ www.erikkabik.com