Chapter Text
Abigail Cowan as Cassiopeia Potter/Katya Petrova
Jeremy Renner as Clint Barton
Scarlett Johanson as Natasha Romanoff
***
Aaron Taylor Johnson as James Potter
Sophie Skelton as Lily Potter
Ben Barnes as Sirius Black
Andrew Garfield as Remus Lupin
***
ALSO STARING:
Benedict Cumberbatch as Dr. Stephen Strange
Robert Downey Jr. as Tony Stark
Chris Evans as Steve Rogers
Chris Hemsworth as Thor
Mark Ruffalo as Bruce Banner
Anthony Mackie as Sam Wilson
Elizabeth Olsen as Wanda Maximoff
Paul Bettany as Vision
Sebastian Stan as Bucky Barnes
Paul Rudd as Scott Lang
Florence Pugh as Yelena Belova
Rachel Weisz as Melina Vostokova
David Harbour as Alexei Shostakov
Daniel Radcliff as Harry Potter
Rupert Grint as Ron Weasley
Emma Watson as Hermione Granger
Mathew Lewis as Neville Longbottom
Bonnie Wright as Ginny Weasley
Evanna Lynch as Luna Lovegood
Tom Felton as Draco Malfoy
The Rest of the Harry Potter cast as their respective characters.