Robert Downey Jr. (Victor von Doom / Doctor Doom), Chris Evans (Steve Rogers), Chris Hemsworth (Thor), Pedro Pascal (Reed Richards / Mister Fantastic), Paul Rudd (Scott Lang / Ant-Man), Anthony Mackie (Sam Wilson / Captain America), Florence Pugh (Yelena Belova) more..., Vanessa Kirby (Sue Storm / Invisible Woman), Ebon Moss-Bachrach (Ben Grimm / The Thing), Wyatt Russell (John Walker), Channing Tatum (Gambit), Simu Liu (Shaun / Shang-Chi), Ian McKellen (Magneto), Hayley Atwell (Peggy Carter), Tom Hiddleston (Loki), James Marsden (Scott Summers / Cyclops), Patrick Stewart (Professor Charles Xavier), Joseph Quinn (Johnny Storm / Human Torch), Sebastian Stan (Bucky Barnes / Winter Soldier), David Harbour (Alexei Shostakov), Letitia Wright (Shuri), Lewis Pullman (Robert Reynolds), Kelsey Grammer (Dr. Henry 'Hank' McCoy / Beast), Kathryn Newton (Cassie Lang), Danny Ramirez (Joaquin Torres), Winston Duke (M'Baku), Alan Cumming (Kurt Wagner / Nightcrawler), Hannah John-Kamen (Ava Starr), Rebecca Romijn (Raven Darkholme / Mystique), Mabel Cadena (Namora), Tenoch Huerta Mejía (Namor), Wesley Holloway (), Alex Livinalli (Attuma), India Rose Hemsworth (Gorr's Daughter), Matilda Firth (), Tobey Maguire (Spiderman), Ryan Reynolds (Deadpool), Hugh Jackman (Wolverine)

Kevin Feige (Producer), Sarah Halley Finn (Casting), Stephen McFeely (Writer), Alan Silvestri (Original Music Composer), Jack Kirby (Characters), Stan Lee (Characters), Darrin Denlinger (Storyboard Artist) more..., Josh Viers (Concept Artist), Dave Jordan (Music Supervisor), Jeffrey Ford (Editor), Gavin Bocquet (Production Design), Chris Castaldi (First Assistant Director), Tom Edmondson (Second Unit First Assistant Director), Robert Alonzo (Second Unit Director), Matthew Sharp (Second Assistant Director), Ben Cooke (Stunt Coordinator), Chris Castaldi (Co-Executive Producer), Newton Thomas Sigel (Director of Photography), Andrew Rowlands (Second Unit Director of Photography), Stuart Thorp (Stunt Coordinator), Cali Nelle (Fight Choreographer), Daren Nop (Stunts), Vi-Dan Tran (Stunts), David Charles Warren (Stunt Double), Jean-Paul Ly (Stunt Double), Michaela McAllister (Stunt Double), Abel Djilali (Stunt Double), Adam Behan (Stunt Double), Alex Kyshkovych (Stunt Double), Zack Duhame (Stunt Double), Lauren Mary Kim (Stunt Double), Tim Connolly (Stunt Double), Joanna Bennett (Stunt Double), Chris Romrell (Stunt Double), Stephen Adentan (Stunt Double), Laura Swift (Stunt Double), George Kirby (Stunt Double), Mike Massa (Stunt Double), Pamela Forster (Stunt Double), Matt LaBorde (Stunt Double) and others.