Live action actors tend to be mais popular than voice actors. There are several great actors that deserve attention. Here's a list of voice actors that I think are great.

Mel blanc
Arthur Q. Bryan
Daws Butler
Don Messick
Paul Winchell
Frank Welker
Jim Cummings
Rob Paulsen
Tony Jay
George Lowe
Andy Merrill
C. Martin Croker
Don Kennedy
Seth MacFarlane
Colin raposa
Mike Pollock
Samuel Vincent

Here are some good voice actresses:
June Foray
Tara Strong
Grey Delisle
Cindy Robinson
Ava Acres

A Message to These People: Thank you for your work. You are all great. desenhos animados wouldn't be as great without you.