Elenco Principal da Temporada 4

1. 

   Frank Welker

   Scooby-Doo / Fred Jones (voice)

2. 

   Grey DeLisle

   Daphne Blake (voice)

3. 

   Mindy Cohn

   Velma Dinkley (voice)

4. 

   Matthew Lillard

   Norville 'Shaggy' Rogers (voice)

Convidados Especiais 7

1. 

   Frances Conroy

   Angie Dinkley (voice)

2. 

   Kath Soucie

   Nan Blake (voice)

3. 

   Patrick Warburton

   Sheriff Bronson Stone (voice)

4. 

   Beverly D'Angelo

   Sheila Altoonian (voice)

5. 

   Kevin Dunn

   Garden Manager (voice)

6. 

   Tom Kenny

   Auctioneer (voice)

7. 

   Richard McGonagle

   Ed Machine (voice)

Equipa Técnica 0

There are no crew records added to O Soro Secreto.