The comedian and actor — whose full name is Sinbad Adkins — owes $2.1 million to the state of California, according to the California Franchise Tax Board. The IRS filed a $416,870 tax lien against him in 2006. Other tax liens against him date to 1994, when he starred in The Sinbad Show on the Fox Network. His recent gigs include performing at last year's Wal-Mart shareholders meeting and Saturday at the Hilton Casino in Atlantic City. Sinbad declined to comment.