Suggestions by @jasminepink

Dylan O'Brien

as Spider-Man in Alternate Marvel Cinematic Universe

Charlie Rowe

as Spider-Man in Alternate Marvel Cinematic Universe

Goran Bogdan

as Viktor Von Doom in FANTASTIC FOUR

John Cena

as Ben Grimm in FANTASTIC FOUR

Lucas Till

as Johnny Storm in FANTASTIC FOUR

Nancy McKeon

as Monica Geller in Friends (Alternate Casting)

Janeane Garofalo

as Monica Geller in Friends (Alternate Casting)

Robert Downey Jr.

as Ross Geller in Friends (Alternate Casting)

Edward Norton

as Chandler Bing in Friends (Alternate Casting)

Mark Ruffalo

as Joey Tribbiani in Friends (Alternate Casting)

Josh Brolin

as Joey Tribbiani in Friends (Alternate Casting)

Timothy Olyphant

as Joey Tribbiani in Friends (Alternate Casting)

Kristina Wagner

as Phoebe Buffay in Friends (Alternate Casting)

Tatum O'Neal

as Phoebe Buffay in Friends (Alternate Casting)

Nicollette Sheridan

as Phoebe Buffay in Friends (Alternate Casting)

Betsy Russell

as Phoebe Buffay in Friends (Alternate Casting)

Bridget Fonda

as Phoebe Buffay in Friends (Alternate Casting)

Laura Linney

as Phoebe Buffay in Friends (Alternate Casting)

Elisabeth Shue

as Phoebe Buffay in Friends (Alternate Casting)

Renée Zellweger

as Rachel Green in Friends (Alternate Casting)