Suggestions by @darksith

Tom Hardy

as Josif Vissarionovich Stalin in Revolution

Daniel Radcliffe

as Lev Davidovich Trockij in Revolution

James McAvoy

as Alexander Fyodorovich Kerensky in Revolution

Leonardo DiCaprio

as Vladimir Ilyich Lenin in Revolution

Eliza Taylor

as Anya Jenkins in Buffy the Vampire Slayer (New version)

Lola Flanery

as Tara Maclay in Buffy the Vampire Slayer (New version)

Rufus Sewell

as Richard Wilkins in Buffy the Vampire Slayer (New version)

Ricky Whittle

as Robin Wood in Buffy the Vampire Slayer (New version)

Miranda Otto

as Joyce Summers in Buffy the Vampire Slayer (New version)

Teresa Palmer

as Darla in Buffy the Vampire Slayer (New version)

Teagan Croft

as Dawn Summers in Buffy the Vampire Slayer (New version)

Gracyn Shinyei

as Dawn Summers in Buffy the Vampire Slayer (New version)

Conor Leslie

as Drusilla in Buffy the Vampire Slayer (New version)

Millie Bobby Brown

as Faith Lehane in Buffy the Vampire Slayer (New version)

Iain Glen

as Rupert Giles in Buffy the Vampire Slayer (New version)

Isabela Merced

as Cordelie Chase in Buffy the Vampire Slayer (New version)

Benjamin Wadsworth

as Xander Harris in Buffy the Vampire Slayer (New version)

Sadie Sink

as Willow Rosenberg in Buffy the Vampire Slayer (New version)

Tom Hughes

as Spike in Buffy the Vampire Slayer (New version)

Sam Witwer

as Angel in Buffy the Vampire Slayer (New version)