Cast 16

1. 

   Frank Welker

   Scooby-Doo / Fred Jones (voice)

2. 

   Matthew Lillard

   Shaggy Rogers (voice)

3. 

   Mindy Cohn

   Velma Dinkley (voice)

4. 

   Grey DeLisle

   Daphne Blake (voice)

5. 

   Danica McKellar

   Madelyn Dinkley (voice)

6. 

   James Patrick Stuart

   Whirlen Merlin (voice)

7. 

   Crystal Scales

   Crystal (voice)

8. 

   Brian Posehn

   Marlon Whirlen (voice)

9. 

   Jeffrey Tambor

   Mr. Calvin Curdles (voice)

10. 

    Diane Delano

    Mrs. Alma Rumblebuns (voice)

11. 

    John DiMaggio

    Groundskeeper Amos (voice)

12. Melique Berger

    Upset Mother (voice)

13. 

    John Stephenson

    The Sheriff (voice)

14. 

    Dee Bradley Baker

    Sherman (voice)

15. 

    Olivia Hack

    Treena (voice)

16. 

    Dave Attell

    GPS (voice)

Crew 10