Transformers/Scooby Doo Crossover

Autobots

Peter Cullen As Optimus Prime

Josh Keaton As Bumblebee

Jeffrey Combs As Ratchet

Ashleigh Ball As Arcee

Jim Cummings As Ultra-Magnus

Steve Blum As Iron-Hide

Dwayne Johnson As Cliffjumper

Decepticons

Frank Welker As Megatron

Sam Reigel As Starscream

Steve Blum As Shockwave

Gina Torres As Arachnid

Mystery Inc.

Frank Welker As Scooby-Doo/Fred Jones

Matthew Lillard As Shaggy Rogers

Grey Delisle As Daphne Blake

Kate Micucci As Velma Dinkley