Luke Shanahan Director, Screenwriter Adelaide Clemens Maude , Cleo Actor Alex Russell Ralph Actor Veerle Baetens Nerida Actor Jonny Pasvolsky Henry Actor Charles Mayer Keith Actor Guy O'Donnell Barry Actor David Jobling Dr. Bob Actor Celine O'Leary Margaret Actor Simon Stollery Sir Jonathan Actor Charlotte Munns Rachel Actor Sarah Brokensha Lisa Actor Kylie Taylor Gardener Actor Chelsea Munns Belinda Actor Joe Bird Aiden Actor Gregory Apps Executive Producer, Casting Clement Dunn Executive Producer Phil Hunt Executive Producer Bryce Menzies Executive Producer Compton Ross Executive Producer David Ngo Producer Michael Darren Original Music Anna Howard Cinematographer Stuart Morley Film Editing Amy Baker Production Design Anita Seiler Costume Design