Suggestions by @625rip

Guy Ritchie

as Director in Iron Man 3: Retribution

Paul Dano

as Bruce Banner in Iron Man 3: Retribution

Takeru Satoh

as The Son of Wenwu in Iron Man 3: Retribution

Spoiler

as The Son of Wenwu in Iron Man 3: Retribution

Ben Whishaw

as Mister Stark? in Iron Man 3: Retribution

Vision (Marvel)

as Mister Stark? in Iron Man 3: Retribution

Spoiler

as Mister Stark? in Iron Man 3: Retribution

Avril Lavigne

as Dazzler in Iron Man 3: Retribution

Bryce Dallas Howard

as Rescue in Iron Man 3: Retribution

Spoiler

as Rescue in Iron Man 3: Retribution

An Unknown Actress

as Wenwu's Wife in Iron Man 3: Retribution

John Malkovich

as Obadiah Stane in Iron Man 3: Retribution

Donnie Yen

as Xu Wenwu in Iron Man 3: Retribution

Charlie Hunnam

as Justin Hammer in Iron Man 3: Retribution

Kristen Stewart

as Bethany Cabe in Iron Man 3: Retribution

Laz Alonso

as War Machine in Iron Man 3: Retribution

Ben Whishaw

as J.A.R.V.I.S. in Iron Man 3: Retribution

Joe Tippett

as Happy Hogan in Iron Man 3: Retribution

Bryce Dallas Howard

as Pepper Potts in Iron Man 3: Retribution

Oscar Isaac

as Iron Man in Iron Man 3: Retribution