So, I'm going to do this. Please tell me if I forgot any characters.

Finn- Logan Lerman
Maybeck- Jordan Calloway
Philby- Calum Worthy
Charlene- Dove Cameron
Willa- Maia Mitchell
Wayne- Dick Van Dike
Amanda- Vanessa Hudgens
Jez/Jess- Isabelle Furman
Dillard- Douglas Smith
Maleficent- Angelina Jolie
Blackbeard- Ian McShane