Suggestions by @charlie

Henry Cavill

as Ronald Reagan in Reagan

Colin Farrell

as George H. W. Bush in Reagan

Rebecca Ferguson

as Catwoman in The Perfect Batman Movie

Bradley Cooper

as Batman in The Perfect Batman Movie

Mark Strong

as Victor Zsasz in The Knight

Martin Scorsese

as Writer in The Knight

Jon Favreau

as Director in The Knight

Hans Zimmer

as Composer in The Knight

Bradley Cooper

as Producer in The Knight

Margot Robbie

as Harley Quinn in The Knight

Tom Hiddleston

as Joker in The Knight

Benedict Cumberbatch

as Scarecrow in The Knight

Matthew McConaughey

as Two Face in The Knight

Denzel Washington

as Lucius Fox in The Knight

Josh Brolin

as Harvey Bullock in The Knight

Rebecca Ferguson

as Catwoman in The Knight

Daniel Craig

as James Gordon in The Knight

Karen Gillan

as Vicki Vale in The Knight

Zac Efron

as Robin in The Knight

David Suchet

as Alfred Pennyworth in The Knight