Cast 12

1. 

   Frank Welker

   Scooby-Doo / Fred Jones (voice)

2. 

   Matthew Lillard

   Shaggy Rogers (voice)

3. 

   Grey DeLisle

   Daphne Blake (voice)

4. 

   Mindy Cohn

   Velma Dinkley (voice)

5. 

   Mark Hamill

   Zip Elvin (voice)

6. 

   Diedrich Bader

   H.A.M. (voice)

7. 

   Malcolm McDowell

   Sly Baron (voice)

8. 

   Fred Tatasciore

   Hudson Baron / Alien (voice)

9. 

   Jennifer Hale

   Shannon Lucas / Ridley / Launch Manager (voice)

10. 

    Jeff Bennett

    Colt Steelcase (voice)

11. 

    Kevin Michael Richardson

    Uvinous "U-Boat" Botango / Drake (voice)

12. 

    Eric Bauza

    Clark Sporkman (voice)

Crew 6