American TV star Willie Aames has been left shaken after he and his son were robbed at gunpoint in Los Angeles on Monday night (07Jan08). The actor, 47, was out in Hollywood with his 26-year-old son Christopher when a man dressed in a black jacket and blue jeans threatened them with a firearm and demanded cash. The stunned pair handed over their wallets and cash totalling just $15 (GBP7.50). Aames, best known for his role as Buddy Lembeck on U.S. sitcom Charles in Charge, and Christopher were unharmed in the incident, reports TMZ.com. A police investigation has now been launched into the robbery.