biographical article needs additional citations for verification. Please help by adding reliable sources. Contentious material about living persons that is unsourced or poorly sourced must be removed immediately, especially if potentially libelous or harmful. (August 2009) Dax Shepard Shepard at the 2008 Tribeca Film Festival in New York City Born Dax Randall Shepard January 2, 1975 (1975-01-02) (age 36) Milford, Michigan, U.S. Occupation Actor Years active 1998–present Dax Randall Shepard (born January 2, 1975) is an American actor..