T.J. Miller as Pingu
Sarah Silverman as Pinga
Michael J. Fox as Roddy
Denis Leary as Pingo
Eddie Murphy as Pingg
Michael Keaton as Pengy
Bill Hader as Pingj
Selena Gomez as Pingi
Margaret Cho as Mother
Lewis Black as Father
Mike Myers as Grandfather
Albert Brooks as Mr. Peng Chips
John Leguizamo as The Post Master