Suggestions by @adsta

Julian Dennison

as Kwan in Danny Phantom

Ryan Reynolds

as Nocturn in Danny Phantom

David Mazouz

as Young Blood in Danny Phantom

Christian Bale

as Vortex in Danny Phantom

Ben Affleck

as Prince Aragon in Danny Phantom

Robert Pattinson

as Lance Thunder in Danny Phantom

Sean Pertwee

as Bertrand in Danny Phantom

Michael Keaton

as Vice Principal Lancer in Danny Phantom

Willem Dafoe

as Clockwork in Danny Phantom

Mark Hamill

as Undergrowth in Danny Phantom

Mickey Rourke

as Walker in Danny Phantom

Randy Savage

as Pariah Dark in Danny Phantom

Jacob Batalon

as Tucker Foley in Danny Phantom

Angourie Rice

as Lydia in Danny Phantom

Elizabeth Olsen

as Princess Dorathea in Danny Phantom

Zendaya

as Valerie Gray in Danny Phantom

Millie Bobby Brown

as Dani Phantom in Danny Phantom

Emma Watson

as Kitty in Danny Phantom

Kirsten Dunst

as Spectra in Danny Phantom

Marisa Tomei

as Lunch Lady Ghost in Danny Phantom