Here, you will find a complete list of main characters in the MCU in alphabetical order.

*Click on pictures for their sources.

Bruce Banner (Hulk)
Played by Mark Ruffalo

James "Bucky" Barnes (Winter Soldier)
Played by Sebastian Stan

Clint Barton (Hawkeye/Ronin)
Played by Jeremy Renner

Peggy Carter
Played by Hayley Atwell

Phil Coulson
Played by Clark Gregg

Carol Danvers (Captain Marvel)
Played by Brie Larson

Drax the Destroyer
Played by Dave Bautista

Nick Fury
Played by Samuel L. Jackson

Gamora
Played by Zoe Saldana

Groot
Played by Vin Diesel

Heimdall
Played by Idris Elba

Maria Hill
Played by Cobie Smulders

Harold "Happy" Hogan
Played by Jon Favreau

Scott Lang (Ant-Man)
Played by Paul Rudd

Loki
Played by Tom Hiddleston

Mantis
Played by Pom Klementieff

Wanda Maximoff (Scarlet Witch)
Played by Elizabeth Olson

Nebula
Played by Karen Gillan

Okoye
Played by Danai Gurira

Peter Parker (Spider-Man)
Played by Tom Holland

Virginia "Pepper" Potts
Played by Gwyneth Paltrow

Hope Pym (Wasp)
Played by Evangeline Lilly

Peter Quill (Star-Lord)
Played by Chris Pratt

James "Rhodey" Rhodes (War Machine/Iron Patriot)
Played by Don Cheadle

Rocket Raccoon
Played by Bradley Cooper

Steve Rogers (Captain America)
Played by Chris Evans

Natasha Romanoff (Black Widow)
Played by Scarlett Johansson

Shuri
Played by Letitia Wright

Tony Stark (Iron Man)
Played by Robert Downey Jr.

Stephen Strange (Dr. Strange)
Played by Benedict Cumberbatch

T'Challa (Black Panther)
Played by Chadwick Boseman

Thanos
Played by Josh Brolin

Thor
Played by Chris Hemsworth

Vision
Played by Paul Bettany

Sam Wilson (Falcon)
Played by Anthony Mackie