Vin Diesel: Played Groot in the "Marvel Cinematic Universe", was considered to play Daredevil in the 2000s and had expressed interest in playing Black Bolt in "The Inhumans" movie before it was scrapped
Tyrese Gibson: Had a supporting role as FBI agent Simon Stroud in the critically panned 2022 movie "Morbius". In the past he had expressed interest to play Marvel character Luke Cage and DC character John Stewart/Green Lantern which never came to fruitation.
John Cena: Currently playing the anti-hero Peacemaker in the "DC Extended Universe".
Scott Eastwood: Had a role in 2016's "Suicide Squad" movie as GQ Edwards
Michael Rooker: Had played Yondu in the first two "Guardians of the Galaxy" movies alongside Vin Diesel's Groot and Kurt Russell's Ego
Charlize Theron: Had recently made a cameo appearance as Clea in 2022's MCU movie "Doctor Strange in the Multiverse of Madness".
Kurt Russell: Is yet to be confirmed for "Fast X" but had played the villain Ego in 2017's "Guardians of the Galaxy Vol 2" alongside Diesel and Rooker
Jason Momoa: Has played Aquaman in the "DC Extended Univserse" including a cameo in the "Peacemaker" TV show alongside Cena
Daniela Melchoir: Played Ratcatcher 2 in 2021's "The Suicide Squad" alongside Cena and Rooker. She will also have a role in the upcoming third "Guardians of the Galaxy" movie.
Brie Larson: Currently plays Captain Marvel in the "Marvel Cinematic Universe".
Alan Ritchson: Had played Aquaman in the "Smallville" series that aired from 2001 to 2011 and also played the DC character Hawk on "Titans" from 2018 to 2021.