Wallykazam, Sabrina, Ami and Yumi! (Scoob!)

Wallykazam and Sabrina and Ami and Yumi as Scooby-Doo

Penny Proud as Shaggy Rogers

Flint Lockwood as Blue Falcon

Oscar Proud as Fred Jones

Trudy Proud as Daphne Blake

Kim Possible as Velma Dinkley

Sideshow Bob as Dick Dastardly

Harry and Marv as Muttley

Sam Sparks as Dee Dee Skyes

Dr. Cockroach,

Insectosaurus,

The Missing Link,

and B.O.B. as Dynomutt