De acordo com o artigo do ScreenRant sobre o assunto , uma lista completa dos atores estava disponível. Combinando isso com este tópico do reddit sobre o assunto nos fornece a lista completa abaixo, com diretores e escritores e seus respectivos papéis, e atores e seu papel principal / primeiro (no comentário abaixo do link). Um visual da lista abaixo é fornecido na parte inferior.

All names are Left to Right

Top Row

Christopher Marcus & Stephen McFeely (Writers, Captain America Triolgy, Avengers 3-4, Thor: The Dark World, Agent Carter)
Michael Rooker (Yondu, Guardians of the Galaxy)
Vin Diesel (Groot, Guardians of the Galaxy)
Cobie Smulders (Maria Hill, Avengers)
Samuel L. Jackson (Nick Fury, Avengers)
Taika Waititi (Korg/Director, Thor: Ragnarok)
Jeff Goldblum (Grandmaster, Thor: Ragnarok)
Eric Hausserman Carroll (Co-Producer)
Ryan Meinerding (Head of Visual Development)
Craig Kyle (Writer, Thor: Ragnarok)

Third Level, Standing/Seated Left

Peyton Reed (Director, Ant-Man, Ant-Man & the Wasp)
Laurence Fishburne (Bill Foster, Ant-Man)
Linda Cardellini (Laura Barton, Avengers)
Johnathan Schwartz (Executive Producer)
Sebastian Stan (Winter Soldier/Bucky Barnes, Captain America)
Ty Simpkins (Harley Keener, Iron Man 3)

Level 3.5

Mark Ruffalo (Hulk, Avengers)
Brie Larson (Captain Marvel, Captain Marvel)
Michael Douglas (Hank Pym, Ant-Man)
Stephen Broussard (Co-producer)

Third Level, Standing/Seated Right

Ryan Coogler (Director, Black Panther)
Michelle Pfieffer (Janet Van Dyne, Ant-Man)
Jeremy Latcham (Former Senior Vice-President, Marvel Studios)
Hayley Atwell (Peggy Carter, Captain America/Agent Carter)
Pom Klementieff (Mantis, Guardians of the Galaxy)
Nate Moore (Co-producer)
Benedict Wong (Wong, Doctor Strange)

Second level, Seated/Standing Left

Jon Watts (Director, Spider-Man Homecoming, Spider-Man Homecoming 2)
Sarah Finn (Casting Director)
Tessa Thompson (Valkryie, Thor: Ragnarok)
David Grant (Co-Producer)
Don Cheadle (War Machine, Iron Man)
Tom Holland (Spider-Man, Spider-Man Homecoming)
James Gunn (Director, Guardians of the Galaxy trilogy)

Level 2.5

Dave Bautista (Drax, Guardians of the Galaxy)
Michael Pena (Luis, Ant-Man)
Anthony Mackie (Falcon, Captain America)
Evangeline Lilly (Wasp, Ant-Man)
Joe & Anthony Russo (Directors, Captain America 2-3, Avengers 3-4)
Chris Pratt (Star-Lord, Guardians of the Galaxy)
Chadwick Boseman (Black Panther, Black Panther)
Benedict Cumberbatch (Doctor Strange, Doctor Strange)
Elizabeth Olsen (Scarlet Witch, Avengers)
Joss Whedon (Director, Avengers, Avengers: Age of Ultron)

Second level, Seated/Standing Right

Paul Bettany (Jarvis/Vision, Avengers)
Mitchell Bell (Co-producer)
Frank Grillo (Crossbones, Captain America)
Anna Boden (Director, Captain Marvel)
Ryan Fleck (Director, Captain Marvel)
Letitia Wright (Shuri, Black Panther)
Adam McKay (Writer, Ant-Man)

Bottom Level

Sean Gunn (Kraglin/Rocket on-set preformer, Guardians of the Galaxy)
Hannah John-Kamen (Ghost, Ant-Man)
Scott Derrickson (Director, Doctor Strange)
Trinh Tran (Creative Executive)
Jeremy Renner (Hawkeye, Avengers)
Paul Rudd (Ant-Man/Writer, Ant-Man)
Victoria Alonso (Marvel Studios Executive Vice-President Physical Production)
Zoe Saldana (Gamora, Guardians of the Galaxy)
Angela Bassett (Ramonda, Black Panther)
Jon Favreau (Happy Hogan, Iron Man/Avengers; Writer, Iron Man 1-2)
Chris Hemsworth (Thor, Thor)
Gwneth Paltrow (Pepper Potts, Iron Man)
Chris Evans (Captain America, Captain America)
Stan Lee (Tons of Cameos, all; Executive Producer, all)
Scarlett Johansson (Black Widow, Avengers)
Luis D'Esposito (Marvel Studios, Co-President)
Kurt Russell (Ego, Guardians of the Galaxy)
Danai Gurira (Okoye, Black Panther)
William Hurt (Thaddeus Ross, Incredible Hulk)
Alan Taylor (Director, Thor: The Dark World)
Karen Gillan (Nebula, Guardians of the Galaxy)
Brad Winderbaum (Marvel Studios Vice-President: Production & Development)
Emily VanCamp (Sharon Carter, Captain America)
Louis Leterrier (Director, The Incredible Hulk)

Very bottom row

Robert Downey Jr. (Iron Man, Iron Man)
Kevin Feige (Marvel Studios President)

No total existem:
48 atores,
13 diretores,
6 escritores,
15 executivos / produtores,
1 Stan Lee