Suggestions by @goatjoker

Henry Cavill

as Emma Stone in Actors (18+) who should play love interests of other actors

Henry Cavill

as Zazie Beetz in Actors (18+) who should play love interests of other actors

Madelyn Cline

as Charlie Heaton in Actors (18+) who should play love interests of other actors

Thomas Shelby

as British in Fictional Characters/Actors/Actresses by heritage (My Version)

Don Vito Corleone

as Italian in Fictional Characters/Actors/Actresses by heritage (My Version)

Don Michael Corleone

as Italian in Fictional Characters/Actors/Actresses by heritage (My Version)

Hayden Christensen

as Two Face in Matt Reeves' The Batman Trilogy

Caleb Landry Jones

as Firefly in Matt Reeves' The Batman Trilogy

Charlie Heaton

as Nightwing in Matt Reeves' The Batman Trilogy

Michael Fassbender

as Mr Freeze in Matt Reeves' The Batman Trilogy

Willem Dafoe

as Professor Hugo Strange in Matt Reeves' The Batman Trilogy

Ana de Armas

as Poison Ivy in Matt Reeves' The Batman Trilogy

Zendaya

as Batgirl in Matt Reeves' The Batman Trilogy

Henry Cavill

as Shailene Woodley in Actors (18+) who should play love interests of other actors

Chris Pine

as Shailene Woodley in Actors (18+) who should play love interests of other actors

Joaquin Phoenix

as Shailene Woodley in Actors (18+) who should play love interests of other actors

Jack O'Connell

as Shailene Woodley in Actors (18+) who should play love interests of other actors

Lucas Till

as Olivia Holt in Actors (18+) who should play love interests of other actors

Lucas Till

as Elle Fanning in Actors (18+) who should play love interests of other actors

Lucas Till

as Vanessa Kirby in Actors (18+) who should play love interests of other actors