- Casey Kasem - Shaggy Rogers (voice)
- Casey Kasem - (voice)
- Don Messick - Scooby-Doo / Scrappy-Doo (voice)
- Don Messick - Scooby-Doo (voice)
- Don Messick - (voice)
- Heather North - Daphne Blake (voice)
- Heather North - (voice)
- Frank Welker - Fred Jones (voice)
- Frank Welker - Deputy Dusty
- Frank Welker - (voice)
- Ginny Tyler - Tessie
- Patricia Stevens - Velma Dinkley (voice)
- Michael Bell - Eddie Drake / Sky Skeleton
- Michael Bell - Stage-Hand / Professor Carver (voice)
- Michael Bell - Joey Cassette
- Pat Fraley - Howard Gruger / Blue Scarab
- Pat Fraley - Tiger Morris
- Stan Jones - Mr. Moss
- Stan Jones - Mr. Greenfield
- Jack Angel - Brandon Davies (voice)
- Jack Angel - Jerry Sloan
- Louis Jourdan - Chuck
- Marla Frumkin - Velma Dinkley (voice)
- Marla Frumkin - Wendy Airs
- Marla Frumkin - Archaeologist (voice)
- Marlene Aragon - Sally
- Alan Oppenheimer - Mr. Percy
- Alan Oppenheimer - Mr. Husai
- Alan Oppenheimer - (voice)
- John Stephenson - Chef
- John Stephenson - Nick Papas / Lord Silvertree
- John Stephenson - Sylvester
- John Stephenson - Miguel Valdez
- John Stephenson - McGee (voice)
- Michael Rye - Crayton Aimes (voice)
- William Woodson - Harrison Stone (voice)
- Marilyn Schreffler - Girlfriend / Young Girlfriend (voice)
- Marilyn Schreffler - Lorraine
- Marilyn Schreffler - Amelia Parmer
- William Callaway - Mr Pratt
- William Callaway - Morgan the Magician
- Kenneth Mars - Director
- Joan Gerber - (voice)
- Joan Gerber - Lefty Callahan / Mrs. Cornell / Vampire
- Julie McWhirter - (voice)
- Janet Waldo - (voice)
- Scott Menville - (voice)
- Peter Cullen - (voice: credit only)
- Scatman Crothers - (voice)
- Hamilton Camp - (voice)
- Gay Autterson - (voice)
- B.J. Ward - (voice)
Capítulo disponible en las siguientes plataformas:
