Suggestions by @michaelflores1

Mandy Patinkin

as Gears in Transformers: Revenge of the Fallen Rewrite (2015)

Arnold Schwarzenegger

as Brawn in Transformers: Revenge of the Fallen Rewrite (2015)

Nick Frost

as Huffer in Transformers: Revenge of the Fallen Rewrite (2015)

Michael Biehn

as Trailbreaker in Transformers: Revenge of the Fallen Rewrite (2015)

Rainn Wilson

as Mirage in Transformers: Revenge of the Fallen Rewrite (2015)

John Cena

as Snarl in Transformers: Revenge of the Fallen Rewrite (2015)

Ahmed Best

as Swoop in Transformers: Revenge of the Fallen Rewrite (2015)

Sheamus

as Sludge in Transformers: Revenge of the Fallen Rewrite (2015)

Dwayne Johnson

as Slag in Transformers: Revenge of the Fallen Rewrite (2015)

Fred Tatasciore

as Grimlock in Transformers: Revenge of the Fallen Rewrite (2015)

Bill Nye

as Perceptor in Transformers: Revenge of the Fallen Rewrite (2015)

Usain Bolt

as Blurr in Transformers: Revenge of the Fallen Rewrite (2015)

Ben Stiller

as Ultra Magnus in Transformers: Revenge of the Fallen Rewrite (2015)

Pierce Brosnan

as Jetfire in Transformers: Revenge of the Fallen Rewrite (2015)

Gabriella Wilde

as Moonracer in Transformers: Revenge of the Fallen Rewrite (2015)

Chloë Grace Moretz

as Chromia in Transformers: Revenge of the Fallen Rewrite (2015)

Zac Efron

as Rodimus Prime in Transformers: Revenge of the Fallen Rewrite (2015)

Liu Yifei

as Windblade in Transformers: Revenge of the Fallen Rewrite (2015)

Katie Stuart

as Elita-1 in Transformers: Revenge of the Fallen Rewrite (2015)

Patrick Warburton

as Sideswipe in Transformers: Revenge of the Fallen Rewrite (2015)