Guest Stars Dan Brumm voices Uncle Stripe Myf Warhurst voices Aunt Trixie Megan Washington voices Calypso Chris Brumm voices Nana Patrick Brammall voices Uncle Rad Claudia O'Doherty voices Aunt Frisky Sam Simmons voices Bob Lawrie Newman voices Grandad Rose Byrne voices Brandy Joel Edgerton voices Policeman Deborah Mailman voices Sheepdog 1 Jazz D'Arcy voices Cookie Rove McManus voices Bucky Brendan Williams voices Sheepdog 2 Uncredited Emily Taheny voices Wendy