Suggestions by @faulbchdt

Edward Arnold

as Dr. Weisberg in The Looney Tunes Show (1961 - 1965)

Mel Blanc

as Beaky Buzzard in The Looney Tunes Show (1961 - 1965)

Walter Brennan

as Walter Bunny in The Looney Tunes Show (1961 - 1965)

June Foray

as Tina Russo in The Looney Tunes Show (1961 - 1965)

June Foray

as Petunia Pig in The Looney Tunes Show (1961 - 1965)

June Foray

as Patricia Bunny in The Looney Tunes Show (1961 - 1965)

June Foray

as Carol in The Looney Tunes Show (1961 - 1965)

Angela Cartwright

as Chaca in The Emperor's New Groove (1960)

Ron Howard

as Tipo in The Emperor's New Groove (1960)

Earl Hammond

as Royal Recordkeeper in The Emperor's New Groove (1960)

Eleanor Powell

as Piñata Lady in The Emperor's New Groove (1960)

John Wayne

as Smitty and Needleman in Monsters, Inc. (1960's)