Frank Welker

Curious George, George, Professor Pizza

Jeff Bennett

The Man with the Yellow Hat, Mr. Renkins, Professor Einstein

Rino Romano

The Narrator, Narrator, Bellhop

Jim Cummings

Chef Pisghetti, Mr. Quint, Jumpy Squirrel

Annie Mumolo

Bill, Sprint Quint, Dr. Levit

Lex Lang

Hundley, The Doorman, Doorman

Rob Paulsen

Charkie, Compass, Mr. Glass

Kath Soucie

Mrs. Renkins, Mrs. Quint, Mint Quint

Grey Griffin

Betsy, Marco, Librarian

Elizabeth Daily

Steve, Andie, Andi

Rolonda Watts

Professor Wiseman, Lady With Feather Boa, Professor Weisman

Lara Jill Miller

Allie, Allie Whoops, Baby Cooper

Debi Derryberry

Gnocchi, Mrs. Dulson, Crane Operator

William H. Macy

The Narrator

Dee Bradley Baker

Gnocchi, Professor Anthony Pizza, Baby Elephant

Susan Silo

Netti Pisghetti, Nettie Pisghetti, Netti

Carmen Osbahr

Rosita

Carlos Alazraqui

Mr. Zoobel, Luke, Counting Kid

Joe Fallon

Writer