Suggestions by @sam2020

Hailee Steinfeld

as Arcee in Transformers: Prime (Bayverse version)

Emily Blunt

as Arcee in Transformers: Prime (Bayverse version)

Dave Bautista

as Agent Silas in Transformers: Prime (Bayverse version)

James Arnold Taylor

as The Fallen in Transformers: Endgame

Tony Todd

as The Fallen in Transformers: Endgame

James Arnold Taylor

as The Fallen in Transformers: Revenge of the Fallen

Frank Welker

as Soundwave in Transformers: Revenge of the Fallen

Frank Welker

as Megatron in Transformers: Revenge of the Fallen

Charlie Adler

as Starscream in Transformers: Revenge of the Fallen

James Arnold Taylor

as Jetfire in Transformers: Revenge of the Fallen

Fred Tatasciore

as Grindor in Transformers: Revenge of the Fallen

John DiMaggio

as Sideways in Transformers: Revenge of the Fallen

Tom Kenny

as Wheelie in Transformers: Revenge of the Fallen

Gary Anthony Williams

as Mudflap in Transformers: Revenge of the Fallen

Kevin Hart

as Skids in Transformers: Revenge of the Fallen

Olivia Wilde

as Arcee in Transformers: Revenge of the Fallen

Darren Criss

as Sideswipe in Transformers: Revenge of the Fallen

Chris Hemsworth

as Ironhide in Transformers: Revenge of the Fallen

Ian McKellen

as Ratchet in Transformers: Revenge of the Fallen

Dylan O'Brien

as Bumblebee in Transformers: Revenge of the Fallen