Suggestions by @bryanhogan

Charlie Rowe

as Cyclops in X-Men: Evolution

Jamieson Price

as Superion in Transformers: Unicron

Kellan Lutz

as Air Raid in Transformers: Unicron

Zachary Quinto

as Skydive in Transformers: Unicron

Billy Boyd

as Firefly in Transformers: Unicron

Robert Redford

as SilverBolt in Transformers: Unicron

Nick Frost

as TrailBreaker in Transformers: Unicron

Kyle Chandler

as Sunstreaker in Transformers: Unicron

George Newbern

as Prowl in Transformers: Unicron

Maurice LaMarche

as Unicron in Transformers: Unicron

Dave Fennoy

as Warpath in Transformers: Unicron

Nolan North

as Cliffjumper in Transformers: Unicron

Jim Ward

as Perceptor in Transformers: Unicron

Jason David Frank

as Rodimus Prime in Transformers: Unicron

Liam Neeson

as Ultra Magnus in Transformers: Unicron

Ron Bottita

as Roadbuster in Transformers: Unicron

Steven Barr

as Topspin in Transformers: Unicron

Dave Wittenberg

as Mirage/Dino in Transformers: Unicron

James Remar

as Sideswipe in Transformers: Unicron

Steve Buscemi

as Daytrader in Transformers: Unicron