Suggestions by @seraphinasoars

Phoebe Tonkin

as Hedy Lamarr in Actors Portraying Actors

Score: +1

Alex Pettyfer

as Tarzan in Tarzan (Disney live action remake)

Score: -2

Dominic Sherwood

as Tarzan in Tarzan (Disney live action remake)

Score: -4

Matthew Daddario

as Tarzan in Tarzan (Disney live action remake)

Score: -5

Aaron Taylor-Johnson

as Tarzan in Tarzan (Disney live action remake)

Score: +9

Richard Madden

as Tarzan in Tarzan (Disney live action remake)

Score: -3

Dylan O'Brien

as Tarzan in Tarzan (Disney live action remake)

Score: -6

Kit Harington

as Captain Jack Sparrow in The Tales of Jack Sparrow

Score: +1

Asher Angel

as Captain Jack Sparrow in The Tales of Jack Sparrow

Score: +1

Drew Van Acker

as Emma Swan in Once Upon a Time (Genderswap it!)

Score: +1

Toby Regbo

as Emma Swan in Once Upon a Time (Genderswap it!)

Score: +1

Hunter Parrish

as Emma Swan in Once Upon a Time (Genderswap it!)

Score: +2

Joe Alwyn

as Emma Swan in Once Upon a Time (Genderswap it!)

Score: +1

William Moseley

as Emma Swan in Once Upon a Time (Genderswap it!)

Score: 0

Lucas Till

as Emma Swan in Once Upon a Time (Genderswap it!)

Score: +2

Phoebe Tonkin

as Baelfire in Once Upon a Time (Genderswap it!)

Score: +1

Emma Thompson

as Jiminy Cricket in Once Upon a Time (Genderswap it!)

Score: +1

Alex Høgh Andersen

as Captain Jack Sparrow in The Tales of Jack Sparrow

Score: +2

Finn Wolfhard

as Captain Jack Sparrow in The Tales of Jack Sparrow

Score: +1

Gilles Marini

as Francesco di Bartolomeo di Zanobi del Giocondo in Mona Lisa

Score: +2