- Timothèe Chalemet as Regulus Black
- Lily Rose Depp as Hannah Prewett
-Ben Barnes as Sirius Black
- Eva Green as Walburga Black
-Colin Firth as Orion Black
-Natalie Portman as Mathilda Prewett
-Sophie Skelton as Lily Evans
-James Potter as Aaron Johnson
-Andrew Garfield as Remus Lupin