Elliot Page as Viktor Hargreeves
Tom Hopper as Luther
David Castañeda as Diego
Emmy Raver-Lampman as Allison
Robert Sheehan as Klaus Hargreeves
Aidan Gallagher as Five
Justin H. Min as Ben
Ritu Arya as Lila Pitts
Colm Feore as Reginald Hargreeves
Caption
Jake Epstein as Alphonso
Javon 'Wanna' Walton as Stan
Genesis Rodriguez as Sloane
Britne Oldford as Fei