Arthur

Bruce Dinsmore

Mr. Read / Binky Barnes / Bailey (voice)

Jodie Resther

Francine Frensky (voice)

Michael Yarmush

Arthur Read (voice)

Jacob Ursomarzo

Arthur Read (voice)

Daniel Brochu

Buster Baxter (voice)

Melissa Altro

Muffy Crosswire (voice)

Robert Naylor

D.W. Read (voice)

Tracy Braunstein

Baby Kate (voice)

Jake Beale

D.W. Read (voice)

Simon Peacock

Pal (voice)

Ethan Pugiotto

D.W. Read (voice)

Jessica Kardos

Sue Ellen Armstrong (voice)

Jonathan Koensgen

Tommy Tibble (voice)

Ricky Mabe

Timmy Tibble (voice)

Mark Rendall

Arthur Read (voice)

Steven Crowder

Alan "The Brain" Powers (voice)

Lyle Lettau

Alan "The Brain" Powers (voice)

Siam Yu

Alan "The Brain" Powers (voice)

Jake Sim

Tommy Tibble (voice)

Jacob Ewaniuk

Timmy Tibble (voice)

Dakota Goyo

Timmy Tibble (voice)

Eleanor Noble

George (voice)

Robyn Thaler Hickey

Catherine Frensky (voice)

Christian Distefano

D.W. Read (voice)

Arthur Holden

Bionic Bunny (voice), Photographer, Uncle Richard (voice), Mr. Ratburn / Bionic Bunny (voice)

Sonja Ball

Ms. McWord (voice), Miss Sweetwater (voice), Lucy (voice), Dr. Iris (voice), Mrs. Read (voice)

Patricia Rodríguez

Sue Ellen Armstrong (voice), Catherine Frensky (voice), Sue Ellen Armstrong (voice)

Michael Caloz

D.W Read (voice), Cora (voice)

Vanessa Lengies

Emily Leduc (voice), Emily Leduc (Voice), Emily Leduc, Emily (voice)

Alex Trebek

Michelle Kwan

Michelle Kwan (voice)

Ming Tsai

Taj Mahal

Ray Magliozzi

Fred Rogers

Mr. Rogers (voice)

Larry King

Larry King

Maggie Castle

Molly MacDonald (voice)

Jane Wheeler

Mrs. Barnes (voice)

Lance Armstrong

Lance Armstrong (voice)

Graeme Jokic

Young Fritz (voice)

Philip Seymour Hoffman

William Fillmore Toffman (voice)

Marcel Jeannin

Patrick (voice)

Holly Gauthier-Frankel

Fern Walters (voice)

Ellen David

Ruth (Voice), Bitzi Baxter (voice)

Rick Jones

Jacob Katzenellenbogan (voice)

Marc Brown

Marc Brown (voice)

Yo-Yo Ma

Yo-Yo Ma (voice)

Joshua Redman

Joshua Redman (voice)

Mark Camacho

Oliver Frensky / Henry Ford (voice), Mr. Sipple (voice), Oliver Frensky (voice)

John Lewis

John Lewis (voice)

Bronwen Mantel

Mrs. MacGrady (voice)

Krystal Meadows

Ladonna Compson (voice)

A.J. Henderson

Grandpa Dave (voice), Ed Crosswire (voice), Mr. Elkin (voice)

Felicia Shulman

Paige Turner (voice)

Jane Lynch

Patty Ratburn (voice)

Art Garfunkel

Self (voice)

Walter Massey

Francis Haney (voice), Principal Herbert Haney/Mr. Marco (voice), Ms. Haney (voice), Principal Herbert Haney (voice), Mr. Marco (voice)/Principal Haney (voice), Principal Haney (voice), Mr. Haney (voice)

Kathleen Fee

Mrs. Tibble (voice), Ms. Morgan (voice)

Terrence Scammell

Mr. Powers (voice) (uncredited), Mr. Powers (voice)

Susan Glover

Mrs. Powers (voice), Mrs. Wood (voice), Mrs. Barnes (voice), Aunt Jessica (voice)

Melanie Chartoff

Cheryl Featherfoffer (voice)

Jennifer Seguin

Millicent Crosswire, Millicent Crosswire (voice), Coach Grimslid (voice)

Pauline Little

Ms. Krasny (voice)

Jane Woods

Laverne Frensky (uncredited), Waitress (voice), Laverne Frensky (voice)

Melissa Pirrera

Killer (voice), Cousin Mo' (voice)

Jaiden Cannatelli

Danny Torres (voice)

Berkley Silverman

Los Dedos (voice)

Brian Drummond

Officer Safety (voice)

Juan Chioran

Ramon Molina (voice)