Suggestions by @duncanjohnson

Anthony Mackie

as Captain America/Sam Wilson in The Uncanny X-Men (2027)

Giancarlo Esposito

as Mister Sinister/Nathaniel Essex in The Uncanny X-Men (2027)

Dee Bradley Baker

as Lockheed (Voice) in The Uncanny X-Men (2027)

Mark Fischbach

as Producer in The Uncanny X-Men (2027)

Karl Urban

as Mister Sinister/Nathaniel Essex in The Uncanny X-Men (2027)

Henry Cavill

as Wolverine/Logan in The Uncanny X-Men (2027)

Taron Egerton

as Wolverine/Logan in The Uncanny X-Men (2027)

Gail Simone

as Writer in The Uncanny X-Men (2027)

Liev Schreiber

as Sebastian Shaw/Black King in The Uncanny X-Men (2027)

Grant Morrison

as Cameo in The Uncanny X-Men (2027)

Chris Claremont

as Cameo in The Uncanny X-Men (2027)

Chris Claremont

as Producer in The Uncanny X-Men (2027)

Stefan Kapičić

as Colossus/Pitor Rasputin in The Uncanny X-Men (2027)

Adan Canto

as Special Thanks in The Uncanny X-Men (2027)

The Cast of X-Men (2000)

as Special Thanks in The Uncanny X-Men (2027)

Grant Morrison

as Special Thanks in The Uncanny X-Men (2027)

Richard Donner

as Special Thanks in The Uncanny X-Men (2027)

Lauren Shuler Donner

as Special Thanks in The Uncanny X-Men (2027)

David Hayter

as Special Thanks in The Uncanny X-Men (2027)

Chris Claremont

as Special Thanks in The Uncanny X-Men (2027)