Suggestions by @bumbleprime

Jess Harnell

as Barricade in Scooby-Doo! Meets The Transformers (Space Alien Station)

Frank Welker

as Soundwave in Scooby-Doo! Meets The Transformers (Space Alien Station)

Steve Blum

as Starscream in Scooby-Doo! Meets The Transformers (Space Alien Station)

Frank Welker

as Megatron in Scooby-Doo! Meets The Transformers (Space Alien Station)

Mark Hamill

as Wheeljack in Scooby-Doo! Meets The Transformers (Space Alien Station)

Jeff Bennett

as Prowl in Scooby-Doo! Meets The Transformers (Space Alien Station)

Kevin Michael Richardson

as Bulkhead in Scooby-Doo! Meets The Transformers (Space Alien Station)

Khary Payton

as Jazz in Scooby-Doo! Meets The Transformers (Space Alien Station)

Corey Burton

as Ratchet in Scooby-Doo! Meets The Transformers (Space Alien Station)

David Kaye

as Cliffjumper in Scooby-Doo! Meets The Transformers (Space Alien Station)

Jodi Benson

as Arcee in Scooby-Doo! Meets The Transformers (Space Alien Station)

Patrick Warburton

as Ironhide in Scooby-Doo! Meets The Transformers (Space Alien Station)

Josh Keaton

as Bumblebee in Scooby-Doo! Meets The Transformers (Space Alien Station)

Peter Cullen

as Optimus Prime in Scooby-Doo! Meets The Transformers (Space Alien Station)

Dee Bradley Baker

as The Alien in Scooby-Doo! Meets The Transformers (Space Alien Station)

Dave Franco

as Jacob Jones in Scooby-Doo! Meets The Transformers (Space Alien Station)

Catherine O'Hara

as Sam Langdon in Scooby-Doo! Meets The Transformers (Space Alien Station)

Hugh Laurie

as Nick Wright in Scooby-Doo! Meets The Transformers (Space Alien Station)

Frank Welker

as Scooby-Doo in Scooby-Doo! Meets The Transformers (Space Alien Station)

Mindy Cohn

as Velma Dinkley in Scooby-Doo! Meets The Transformers (Space Alien Station)