Tony Dow played Wallace 'Wally' Cleaver, the Beaver's older and sometimes wiser brother. Dow played Wally in all but one of the original 235 episodes.
Richard Deacon. He also played Mel Cooley on the Dick Van Dyke show!
Wally Cleaver
According to an episode of the show, the nickname came when his older brother Wally mispronounced Beaver's given name "Theodore" and it sounded like "beaverdore" and the nickname Beaver stuck.
Barry Gordon
Leave It to Beaver - 1957 Brother vs- Brother 5-31 was released on: USA: 5 May 1962
In the 1997 film "Leave It to Beaver " the role of Beaver was played by Cameron Finley .
Leave It to Beaver - 1957 The Younger Brother 5-28 was released on: USA: 14 April 1962
Leave It to Beaver - 1957 My Brother's Girl 1-27 was released on: USA: 16 April 1958
Jerry Mathers played Theodore 'Beaver' Cleaver in all 235 original episodes of Leave It To Beaver, which aired from 1957 to 1963.
Eddie Haskell
Cameron Finley played in the role of Theodore "Beaver" Cleaver .
Cameron Finley played in the role of Theodore "Beaver" Cleaver .