Suggestions by @shazap

Rian Johnson

as Director in X men MCU

Rosario Dawson

as Mystique in X men MCU

Ryan Reynolds

as Deadpool in X men MCU

Ryan Reynolds

as Juggernaught in X men MCU

Rami Malek

as Nightcrawler in X men MCU

Arnold Schwarzenegger

as Colossus in X men MCU

David Harbour

as Sabretooth in X men MCU

Ben Mendelsohn

as Magneto in X men MCU

Sophie Turner

as Jean Gray in X men MCU

Ron Perlman

as Beast in X men MCU

Janelle Monáe

as Storm in X men MCU

Timothée Chalamet

as Cyclops in X men MCU

Giancarlo Esposito

as Charle Xavier in X men MCU

Pedro Pascal

as Wolverine in X men MCU

Brie Larson

as Borg Queen in Star Trek: the Next Generation

Robert Downey Jr.

as Q in Star Trek: the Next Generation

Gal Gadot

as Diana Troy in Star Trek: the Next Generation

Tom Holland

as Wesley Crusher in Star Trek: the Next Generation

Famke Janssen

as Beverly Crusher in Star Trek: the Next Generation

John Boyega

as Geordi La Forge in Star Trek: the Next Generation