Suggestions by @josiahabner1

Eddie Redmayne

as John Wilkes Booth in Assassins (musical)

Zac Efron

as John Wilkes Booth in Assassins (musical)

Ethan Slater

as The Balladeer/Lee Harvey Oswald in Assassins (musical)

Brian d'Arcy James

as Charles Guiteau in Assassins (musical)

Sean Penn

as Samuel Byck in Assassins (musical)

Paul Walter Hauser

as Samuel Byck in Assassins (musical)

J.K. Simmons

as Samuel Byck in Assassins (musical)

Thomas Middleditch

as Kristofferson Silverfox in Fantastic Mr Fox recast

Tony Hale

as Kylie in Fantastic Mr Fox recast

Will Forte

as Shaw in Open Season (Alternative Cast)

Jim Parsons

as Elliot in Open Season (Alternative Cast)

Andrew Barth Feldman

as The Balladeer/Lee Harvey Oswald in Assassins (musical)

Hugh Grant

as Caine in The Amazing Digital Circus Re Cast

Hugh Jackman

as Caine in The Amazing Digital Circus Re Cast

Craig Robinson

as Caine in The Amazing Digital Circus Re Cast

Andy Daly

as Caine in The Amazing Digital Circus Re Cast

J.K. Simmons

as Caine in The Amazing Digital Circus Re Cast

Johnny Knoxville

as Jax in The Amazing Digital Circus Re Cast

Ethan Slater

as Jax in The Amazing Digital Circus Re Cast

Rami Malek

as Giuseppe Zangara in Assassins