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)