And dceu might not always have actors who exactly look like the characters they are portraying but they have famous celebrities.
John Cena (Peacemaker in The Suicde Squad or Suicde Sqaud 2)
Idris Elba (TBD in Suicide Squad 2)
Sean Gunn (Mo-Cap for Rocket Raccon and actor for Kraglin Obofentari in MCU, and also the brother of James Gunn portrays the Weasel in Suicide Squad 2)
Ewan McGregor (Acted as Obi-Wan Kenobi in the Star Wars franchise acts as Black Mask in Birds of Prey)
Chris Pine (Was in the star trek franchise acts as Steve Trevor in Wonder Woman and Wonder Woman 1984)
Pedro Pascal (Acted as the Mandilorian in the Disney+ series mandilorian and acted as Oberyn Martell in game of thrones acts as Maxwell Lord in Wonder Woman 1984)
Russell Crowe (Acted in Gladiator acts as Jor-El in Man of Steel)
DeWayne Johnson (Black Adam)
Robert Patrinson (Twilight actor who portrays Bruce Wayne)
Jason Momoa (Former actor of Game kf thrones and father of Zoe Kravitz portrays Aquaman)
Zoe Kravitz (Was in X-Men first class, portrays Catwoman in The Batman)
Laurence Fisburne (Acts as Perry White. He was in the Matrix movies, John Wick and ant-man and the wasp as Bill Foster)
Patrick Wilson (Ocean Master on Aquaman, acted as Owlman in Watchmen and was in the Conjuring and Anabelle Comes Home movies)
Will Smith (Deadshot in Suicide Squad)
Jack Dylan Grazer (was in It and It Chapter two and he portrays Freddy Freeman in shazam!)
Zachary Levi (who was in Alvin and the chipmunks the squeakquel, Thor: The Dark World, Thor: Ragnarok, and Tangled portrays Shazam)
Mark Strong (portrayed sinestro in Green Lantern, portrays Dr. Sivana in Shazam)
Ciaran Hinds (portryed Mephisto in Ghost Rider the spirit of vengeance movie and Mace Rayder in Game of thrones acts as Steppenwolf on Justice League)
Jared Leto (Is in the upcoming marvel movie Morbius portrayed Joker, although it was brief)
Kevin Costner (Was on Hidden Figures and worked with tom welling on the movie
Draft Day, portrays Jonathan Kent)
Ben Affleck (Was in Daredevil movie on 2003 and he portrays batman)
Colin Farrel (Portrays Pengiuin in the batman)
Billy Crudup (Portrayed Doctor Manhattan in Watchmen movie and was in mission impossible III, portrays Henry Allen)
How many famous actors and actresses do arrowverse have.
Ruby Rose (was in the Meg and John Wick 2 and will be in Meg 2, and she left batwoman)
Mark Hamill (acted as Trickster in flash briefly)
Kevin Conroy (Only appeared in Crisis on infinite earths as a cameo)
Brandon Routh (was only superman in Superman Returns and portrays kingdom come superman in crisis on infinite earths, but he is atom, so that is one)
And obviously Stephen amell, he was in teenage mutant ninja turtles out of the shadow.