Arthur Read, voiced by Michael Yarmush
Arthur has now been voiced by seven different actors, but the one you probably remember best is Michael Yarmush, who voiced the aardvark from seasons 1-5. He's also appeared in Goosebumps and Are You Afraid of the Dark?
Buster Baxter, voiced by Danny Brochu
Brochu has voiced Buster all the way through to season 18. He's also voiced Noddy in Make Way for Noddy and is pictured here eating a leg as a vampire named Tommy in BBC show Being Human.
Muffy Crosswire, voiced by Melissa Altro
Altro has been the voice of Muffy all the way through, but you might know her just as well as the voice of Pippi Longstocking. She's also appeared in Are You Afraid of the Dark?
Francine Frensky, voiced by Jodie Resther
Resther has been the voice of Francine for all 18 seasons, and also appeared as Kiki in Are You Afraid of the Dark?
Binky Barnes, voiced by Bruce Dinsmore
Dinsmore is also the voice of Arthur's dad, David Read, and has done voice work on the Assassin's Creed video games, including as Paul Revere in Assassin's Creed III.
D.W. Read, voiced by Michael Caloz
D.W. has been voiced by six different actors, all male, but Caloz was her voice from seasons 1-3. He also appeared in the movie Screamers, and in Are You Afraid of the Dark? and Goosebumps.
Nigel Ratburn, voiced by Arthur Holden
They look a tiny bit similar, right? Holden has also voiced characters in Sagwa, the Chinese Siamese Cat and What's With Andy?, as well as in video games such as Assassin's Creed and Tom Clancy's Rainbow Six: Vegas.
Mrs Read, voiced by Sonja Ball
Ball has voiced Jane Read all the way through, and has also done voice work on The Busy World of Richard Scarry and Adventures of the Little Mermaid.
Grandma Thora, voiced by Joanna Noyes
Noyes has also appeared in the movies Wicker Park and The Whole Nine Yards.
Sue Ellen Armstrong, voiced by Patricia Rodriguez
Rodriguez voiced Sue Ellen from seasons 1-8, and she is now voiced by Jessie Kardos. She was also the voice of Francine's sister Catherine Frensky.
George Lundgren, voiced by Mitchell Rothpan
Rothpan voiced George for the first seven seasons, and also appeared in movies such as The Assignment and Babel.
Prunella Deegan, voiced by Tamar Koslov
Koslov has voiced Prunella all the way through, and has also appeared in movies such as A Walk on the Moon.