Dave Foley

Flik (voice)

Kevin Spacey

Hopper (voice)

Julia Louis-Dreyfus

Atta (voice)

Hayden Panettiere

Dot (voice)

Phyllis Diller

Queen (voice)

Richard Kind

Molt (voice)

David Hyde Pierce

Slim (voice)

Joe Ranft

Heimlich / Additional Voices (voice)

Denis Leary

Francis (voice)

Jonathan Harris

Manny (voice)

Madeline Kahn

Gypsy Moth (voice)

Bonnie Hunt

Rosie (voice)

Michael McShane

Tuck / Roll (voice)

John Ratzenberger

P.T. Flea (voice)

Brad Garrett

Dim (voice)

Roddy McDowall

Mr. Soil (voice)

Edie McClurg

Dr. Flora (voice)

Alex Rocco

Thorny (voice)

Carlos Alazraqui

Additional Voices (voice)

Jack Angel

Additional Voices (voice)

Bob Bergen

Additional Voices (voice)

Kimberly J. Brown

Additional Voices (voice)

Rodger Bumpass

Additional Voices (voice)

Anthony Burch

Additional Voices (voice)

Debi Derryberry

Additional Voices (voice)

Paul Eiding

Additional Voices (voice)

Jessica Evans

Additional Voices (voice)

Bill Farmer

Additional Voices (voice)

Brad Hall

Additional Voices (voice)

Jess Harnell

Additional Voices (voice)

David L. Lander

Additional Voices (voice)

John Lasseter

Additional Voices (voice)

Sherry Lynn

Additional Voices (voice)

Mickie McGowan

Additional Voices (voice)

Courtland Mead

Additional Voices (voice)

Christina Milian

Additional Voices (voice)

Kelsey Mulrooney

Additional Voices (voice)

Jeff Pidgeon

Additional Voices (voice)

Phil Proctor

Additional Voices (voice)

Jan Rabson

Additional Voices (voice)

Jordan Ranft

Additional Voices (voice)

Francesca Marie Smith

Additional Voices (voice)

Andrew Stanton

Additional Voices (voice)

Hannah Swanson

Additional Voices (voice)

Russi Taylor

Additional Voices (voice)

Travis Tedford

Additional Voices (voice)

Ashley French

Additional Voices (voice)

Lee Unkrich

Additional Voices (voice)

Jordan Warkol

Additional Voices (voice)

Frank Welker

Thumper (voice) (uncredited)