Suggestions by @benrei

Gary Oldman

as Agent Seymour Simmons in Transformers (2007)

Steven Spielberg

as Writer in Transformers (2007)

Paul Dooley

as Archibald Witwicky in Transformers (2007)

Ben Schwartz

as CliffJumper in Transformers (2007)

James McAvoy

as CWO. Jorgé Figueroa in Transformers (2007)

Peter Dinklage

as Brawl in Transformers (2007)

Ian McShane

as Shockwave in Transformers (2007)

Justin Roiland

as StarScream in Transformers (2007)

Jason Isaacs

as Barricade in Transformers (2007)

Beyoncé

as Arcee in Transformers (2007)

Mark Wahlberg

as Landmine in Transformers (2007)

Jason Statham

as StarScream in Transformers (2007)

Alan Tudyk

as StarScream in Transformers (2007)

Snoop Dogg

as Jazz in Transformers (2007)

Phil LaMarr

as Ratchet in Transformers (2007)

Darius McCrary

as Bobby Bolivia in Transformers (2007)

Alanna Ubach

as Judy Witwicky in Transformers (2007)

Jeff Garlin

as Ron Witwicky in Transformers (2007)

Rowan Atkinson

as Agent Seymour Simmons in Transformers (2007)

Andy Serkis

as BoneCrusher in Transformers (2007)