Mason Blomberg (Tony / Iron Man), Kapri Ladd (Riri / Ironheart), Aidyn James Ahn (Amadeus / Iron Hulk), Tony Hale (Ultron), John Stamos (Howard Stark), Jess Harnell (Eggy / DJ Mikey Mike), Gary Anthony Williams (Nuts / Ice Cream Vendor), Mo Collins (Bolts / Mom), Alanna Ubach (Melanie Mailperson), Vanessa Bayer (Swarm)