Scott Menville
as
Various
Phillip Glasser
as
Various
Kath Soucie
as
Various
Wallace Shawn
as
Echidna
Joan Rivers
as
Mother Penguin
Olivia Hack
as
Nancy
Wendy Makkena
as
Napoleon's Mom / Earless Wallaby
Jason Sudeikis
as
Self
Will Smith
as
Self
Olivia Wilde
as
Self
David Blaine
as
Self
Xosha Roquemore
as
Joann
Paula Patton
as
Ms. Rain
Gabourey Sidibe
as
Precious
Patty Duke
as
Self
Bob Peterson
Director
Valerie LaPointe
as
Additional Voices
Danny Mann
as
Construction Worker Steve
Mr. Lawrence
as
Dogs
Bill Farmer
as
Dogs