"Dax Shepard"

Dax Randall Shepard (born January 2, 1975) is an American actor, comedian, writer and director.

Shepard was born in Milford, Michigan. According to Shepard, his mother named him for the protagonist in Harold Robbins' novel The Adventurers. He attended Muir Junior High and Walled Lake Central High School, before enrolling in The Groundlings school. He later received a degree in anthropology at UCLA.

Shepard was an actor on Punk'd with Ashton Kutcher. In 2006, Shepard appeared opposite Dane Cook and Jessica Simpson in the comedy Employee of the Month as well as the Mike Judge film Idiocracy. During the same time, Shepard began appearing in more films and landed his first main character role in Let's Go to Prison, alongside Will Arnett. He also had a major role in Baby Mama. Shepard wrote the script for the Paramount venture Get 'Em Wet, in which he again appeared with Arnett. He was also in the 2010 movie When in Rome. He is now one of the main characters in the NBC show Parenthood, playing Crosby Braverman. Shepard wrote, produced, co-directed, and starred in the 2012 low-budget action comedy film, Hit and Run. His fiancée Kristen Bell and close friend Bradley Cooper were among the cast.

Shepard began dating actress Kristen Bell in late 2007. The couple announced their engagement in January 2010. However, they have stated that they will not marry until gay marriage becomes legal in California. In November 2012, the couple announced that they are expecting their first child.

Shepard races motorcycles at Buttonwillow Raceway, including his Ducati Hypermotard 1100S and Suzuki GSX-R1000. He donates much of his time to the Hollenbeck Youth Center, an after-school program that provides opportunity to at-risk inner-city youth. He has served as their official Master of Ceremonies, along with his friend Tom Arnold, for the Inner-City Games and Hollenbeck Youth Center's Miracle on 1st Street Toy Giveaway Program in East Los Angeles.

List of film roles
Year	Title	Role	Notes
1998	Hairshirt	Guy vomiting at party	Credited as Dax Sheppard
2003	Cheaper by the Dozen	Camera crew member
2004	Without a Paddle	Tom Marshall
2005	Sledge: The Untold Story	SFX coordinator
2005	Zathura	Walter the astronaut
2006	Employee of the Month	Vince Downey
2006	Idiocracy	Frito Pendejo
2006	Let's Go to Prison	John Lyshitski
2008	Baby Mama	Carl
2008	Smother	Noah Cooper
2008	Confessions of an Action Star	Bucky
2009	Old Dogs	Gary	Uncredited
2010	When in Rome	Gale
2010	The Freebie	Darren
2010	Brother's Justice	Himself
2012	Hit and Run	Charlie Bronson	Writer Director

List of television roles
Year	Title	Role	Notes
2003	Punk'd	Himself	Television program Ashton Kutcher's minion
2005	My Name Is Earl		Television program
2006	King of the Hill	Asa	Television program Voice only
2008	Robot Chicken	Blitzen Pickles Ironhide Human Torch	Television program Voice only 2 episodes
2010–present	Parenthood	Crosby Braverman	Television program
2012	Punk'd	Himself	Television program Guest host

Source : http://en.wikipedia.org