Documents were filed Monday in Los Angeles Superior Court, said Staci Wolfe. The 47-year-old actor-comedian, whose screen credits include "True Lies," and Roos, 34, have no children. They were married in Beverly Hills in 2002.
Arnold was previously married to comic actress Roseanne Barr. They divorced in 1994 after nearly four years of marriage. He was married to Julie Lynne Champnella from 1995 to 1999.