Suggestions by @bumbleprime

Anna Faris

as Arcee in The Transformers

John Cena

as Ultra Magnus in The Transformers

Robert Redford

as Ultra Magnus in The Transformers

Oscar Isaac

as Smokescreen in The Transformers

Tom Hardy

as Smokescreen in The Transformers

Samuel L. Jackson

as TrailBreaker in The Transformers

Alec Baldwin

as Breakdown in The Transformers

Ty Burrell

as Bluestreak in The Transformers

Jim Cummings

as Thundercracker in The Transformers

Patrick Warburton

as Omega Supreme in The Transformers

Gina Torres

as Airachnid in The Transformers

Hans Zimmer

as Composer in Transformers: Human Alliance

Don Murphy

as Producer in Transformers: Human Alliance

Don Murray

as Producer in Transformers: Human Alliance

Andy Dick

as Sidney in ICE AGE (Live Action Remake)

Rupert Everett

as Soto in Ice Age (1990's)

Rupert Everett

as Diego in Ice Age (1990's)

Andy Dick

as Sid in Ice Age (1990's)

Zendaya

as Beta in The Transformers

Zoe Saldaña

as Beta in The Transformers