Suggestions by @lukerogers

Hank Azaria

as Dedalus Diggle in Harry Potter (MAX Series Reboot)

Joe Mantegna

as Mr. Mason in Harry Potter (MAX Series Reboot)

Julie Kavner

as Mrs. Mason in Harry Potter (MAX Series Reboot)

Aaron Eckhart

as Silvanus Kettleburn in Harry Potter (MAX Series Reboot)

Phoebe Waller-Bridge

as Rita Skeeter in Harry Potter (MAX Series Reboot)

Dacre Montgomery

as Tobias Snape in Harry Potter (MAX Series Reboot)

Rob Morgan

as Kingsley Shacklebolt in Harry Potter (MAX Series Reboot)

David Harbour

as King's Cross Station guard in Harry Potter (MAX Series Reboot)

Peter Capaldi

as Garrick Ollivander in Harry Potter (MAX Series Reboot)

Phoebe Waller-Bridge

as Irma Pince in Harry Potter (MAX Series Reboot)

Cory Chapman

as Fat Friar in Harry Potter (MAX Series Reboot)

John Reynolds

as Keeper of the reptile house in Harry Potter (MAX Series Reboot)

Kevin Covais

as Argyle Farris in Camera

Kevin L. Johnson

as Hedwig's killer in Harry Potter (MAX Series Reboot)

Randy Havens

as John Dawlish in Harry Potter (MAX Series Reboot)

Alec Utgoff

as Florean Fortescue in Harry Potter (MAX Series Reboot)

Serge Levin

as Sturgis Podmore in Harry Potter (MAX Series Reboot)

Michael Park

as Walden Macnair in Harry Potter (MAX Series Reboot)

Mark Hamill

as Weasley family ghoul in Harry Potter (MAX Series Reboot)

John Glover

as Armando Dippet in Harry Potter (MAX Series Reboot)