Carter Robbins
— Bobby Bobertson / Bobby Robertson
Karl Jones
— The Translator
William Millen
— Robert Robertson
Nano Awad
— Henry
Tyler Davis
— Optician / Man Wearing Pink Glasses
Eugenia Kuvakina
— Stage Singer / Waitress
Iain Rankin
— Mond
Lucy Rankin
— Stage Singer / 'How To Be Hilarious' Narrator (voice)
Colette Mullen
— Lady with Donut in Purse
Callum King
— Man Wearing Pink Lei
Paula Moffett
— Mond's Beautiful Wife