Hailee Steinfeld as Desiree 'Desi' O'Cleary
Stanislav Ianevski as Viktor Krum
Gavin Casalegno as Sean O'Cleary
Madeleine McGraw as Willa O'Cleary
Nikki Roumel as Therese 'Reese' Baker
Jenna Ortega as Lucia Gonzalez
Lily Collins as Isabella Lestrange
Margot Robbie as Apollonia 'Lola' Calland
With the rest of the Harry Potter cast in their respective roles