Suggestions by @sonictiger

Ross Marquand

as "The True Leader" in Transformers: Reactivate

Unicron

as "The True Leader" in Transformers: Reactivate

Spoiler

as "The True Leader" in Transformers: Reactivate

Liam O'Brien

as Nitro in Transformers: Reactivate

Mustafa Shakir

as Cyclonus in Transformers: Reactivate

Justin Theroux

as Dropkick in Transformers: Reactivate

Angela Bassett

as Shatter in Transformers: Reactivate

Cate Blanchett

as Blackarachnia in Transformers: Reactivate

Steve Blum

as Starscream in Transformers: Reactivate

Frank Welker

as "Galvatron" in Transformers: Reactivate

Jess Harnell

as Ironhide in Transformers: Reactivate

Joe Keery

as Hot Rod in Transformers: Reactivate

Sumalee Montano

as Arcee in Transformers: Reactivate

J. Michael Tatum

as Ratchet in Transformers: Reactivate

Jessica Henwick

as Windblade in Transformers: Reactivate

Dylan O'Brien

as Bumblebee in Transformers: Reactivate

Peter Cullen

as Optimus Prime in Transformers: Reactivate

Zac Efron

as Callum Sobrev in Transformers: Reactivate

Keke Palmer

as Kelly Johns in Transformers: Reactivate

Olivia Cooke

as Aria Anderson in Transformers: Reactivate