3. Jerry Mathers
Role: Theodore “Beaver” Cleaver Show: Leave It to Beaver (1957) Net Worth: Estimated at $7 million*
Jerry Mathers, a Sioux City native, began his professional career at the age of two. Despite initial reluctance, he secured the role of Beaver Cleaver. After a teenage enlistment in the U.S. Air Force, Mathers worked as a commercial loan officer.

Although he retired in 1978, he later returned to the screen for guest roles. Now 71, Mathers was recently seen promoting Leave It To Beaver on the MeTV channel.
