The 1957 sitcom "Leave It to Beaver" followed Theodore "Beaver" Cleaver on his adventures around his neighborhood, school and at home.The television show left the airwaves in 1963. Fox News Digital confirmed Tony Dow, one of the show’s main stars, died Wednesday at age 77. "Although this is a very sad day, I have comfort and peace that he is in a better place," his son Christopher shared in a Facebook statement announcing his father's death. Here's a look back at the show's beloved cast: Cast members of "Leave It to Beaver." (Getty Images) Jerry Mathers – Theodore ‘Beaver’ Cleaver Jerry Mathers took on the title role of Theodore "Beaver" Cleaver during the entirety of the show.