Suggestions by @user_340311

Luke Roberts

as Ser Arthur Dayne in Game of Thrones Prequel: Robert's Rebellion

Wilf Scolding

as Rhaegar Targaryen in Game of Thrones Prequel: Robert's Rebellion

Aisling Franciosi

as Lyanna Stark in Game of Thrones Prequel: Robert's Rebellion

Harry Jarvis

as Jaime Lannister in Game of Thrones Prequel: Robert's Rebellion

Finn Wittrock

as Oswell Whent in Robert's Rebellion / The Storm King

Robert Aramayo

as Ned Stark in Game of Thrones : Robert’s Rebellion

Aisling Franciosi

as Lyanna Stark in Game of Thrones : Robert’s Rebellion

Harry Jarvis

as Ser Jamie Lannister in Game of Thrones : Robert’s Rebellion

Wilf Scolding

as Rhagar Targaryen in Game of Thrones : Robert’s Rebellion

Mark Rowley

as Robert Baratheon in Robert’s Rebellion

Aisling Franciosi

as Lyanna Stark in Robert’s Rebellion

Wilf Scolding

as Rhaegar Targaryen in Robert’s Rebellion

Harry Jarvis

as Jaime Lannister in Robert’s Rebellion

Peter Eggers

as Lord Tywin Lannister in The Iron Throne

Ben Barnes

as Jon Snow in Game of Thrones (2000s)

David Mazouz

as Jon Snow in A Song of Ice and Fire

Emily Blunt

as Queen Cersei Lannister in A Song of Ice and Fire

Damson Idris

as T'Challa in Beach Studios' Avengers Casting

garret headland

as Steve Rogers in Beach Studios' Avengers Casting

Ruth Wilson

as Janet Van Dyne in Beach Studios' Avengers Casting