Jeff Davis, a multi-talented actor/singer, born in Los Angeles and raised in Whittier, California, started his acting career at the age of 4 at the Groundlings Theater in Hollywood, playing Linus in You're A Good Man, Charlie Brown.
　　Davis started in commercials when he was 4 years old, and at age 11 was cast as Louis in the Broadway production of The King and I with Yul Brynner. A national tour followed and, after 750 performances, Davis returned home to attend school.
　　via http://drewcareysimprovaganza.wikia.com/wiki/Jeff_Davis