Suggestions by @bumbleprime

Michael Fassbender

as Diego in Ice Age Saga ( Remake )

Christian Bale

as Diego in Ice Age Saga ( Remake )

Ezra Miller

as Sid in Ice Age Saga ( Remake )

Jay Baruchel

as Sid in Ice Age Saga ( Remake )

Jesse Eisenberg

as Sid in Ice Age Saga ( Remake )

Tim Allen

as Manfred in Ice Age (1980's)

Tom Hanks

as Manfred in Ice Age (1980's)

Eddie Murphy

as Sid in Ice Age (1980's)

Dave Foley

as Sid in Ice Age (1990's)

Jim Carrey

as Sid in Ice Age (1990's)

Elisabeth Moss

as Shira in Ice Age live action

Elisabeth Moss

as Diego in Ice Age (Genderswap)

Salma Hayek

as Diego in Ice Age (Genderswap)

Emma Watson

as Sidney in Ice Age (Genderswap)

Jenny Slate

as Sidney in Ice Age (Genderswap)

Gwyneth Paltrow

as Manfred in Ice Age (Genderswap)

Jessica Chastain

as Manfred in Ice Age (Genderswap)

Charlize Theron

as Manfred in Ice Age (Genderswap)

Scarlett Johansson

as Buck in Ice Age (Genderswap)

Danny DeVito

as Granny in Ice Age (Genderswap)