Jamie Croft
— Sam Girdis
Deborra-Lee Furness
— Beth Girdis
Joe Petruzzi
— Rick Girdis
John Waters
— Dr. Lance Hagen
Jason Robards
— Grandpa Girdis
John Goodman
— Mac (voice)
Gerry Connolly
— Lou Rickets
Robert Coleby
— Mr. St. John
Petra Yared
— Kathy Girdis
Nathan Kotzur
— Scarlatta
Kevin Hides
— Businessman on Plane
Penny Everingham
— Nurse Gimlet
Murray Shoring
— Dr. Thompson
Daniel Murphy
— Pet Store Owner
Anna-Maria La Spina
— Museum Receptionist
Steven Collins
— Real Estate Agent
Deborah Glover
— Ticket Clerk
Siobhan Lawless
— Ticket Clerk
Simon Chan
— Phillip