Matthew Morrison as The Grinch

Denis O'Hare as Old Max

Booboo Stewart as Young Max

Amelia Minto as Cindy-Lou Who

Claire Machin as Grandma Who

Amy Ellen Richardson as Mama Who

Ako Mitchell as Papa Who

Gary Wilmot as Grandpa Who

Joe Allen as Ensemble - Who 1

Francesca Mills as Ensemble - Who 2

Bobbie Little as Ensemble

Joseph Prouse as Ensemble

Kirsty Ingram as Ensemble

Rebecca Louis as Ensemble

Billy Nevers as Ensemble

Callum Train as Ensemble

Idriss Kargbo as Ensemble

Lisa Mathieson as Ensemble

Genevieve Nicole as Ensemble

Tafari Cazembe Edwards as Children's Ensemble - Danny Who

Alfie Murray as Children's Ensemble - Boo Who

Erin Rushidi as Children's Ensemble - Bugsy

Louie Gray as Children's Ensemble - Sporty

Kanon Narumi as Children's Ensemble

Chantelle Tonolete as Children's Ensemble - Punky

Bebe Massey as Children's Ensemble - Scallops

Kayleen Nguema as Children's Ensemble

Lyla Toplass as Children's Ensemble - Betty