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Attack of the Headless Horror is the twenty-second episode of the first season of Scooby-Doo! Mystery Incorporated.


After an explorer named Rick Spartan is under the curse of a headless monster, the gang must help break the curse.


Insert details here.


Main characters:

Supporting characters:


  • Headless Horror (single appearance)(main story and flashback)(Marion Spartan's disguise)
  • Marion Spartan (single appearance)(main story and flashback)(redeemed)

Other characters:





Suspect Motive/reason
Charles "Cachinga" Wheatlesby He is annoyed about the way he's treated and his nickname.


Culprit Motive/reason
Marion Spartan as the Headless Horror To scare her husband out of adventuring so she could live a normal life.


Frank Welker Scooby-Doo
Fred Jones, Jr.
Matthew Lillard Shaggy Rogers
Grey DeLisle Daphne Blake
Dr. Thistle
Mindy Cohn Velma Dinkley
Frances Conroy Angie Dinkley
Patrick Warburton Sheriff Bronson Stone
Dee Bradley Baker Headless Horror
Nerdy boy
Shrunken Head
Julie Bowen Marion Spartan
Greg Ellis Cachinga
James Patrick Stuart Dr. Rick Spartan



  • TBA


  • Running gag: Dr. Spartan asking the gang if they want to do something, Fred saying yes, and the rest of them say, "not really."

Cultural references

  • Dr. Rick Spartan is based on old-fashioned adventure archetypes like Indiana Jones and Doc Savage.

Inconsistencies/continuity errors and/or goofs/oddities

  • When Rick is telling about his fight with the Headless Horror, he says he kicked it right in the face. HEADLESS creatures have no face. However, it has a sort of "face" on its torso.
  • For a single shot after Marion's flashback, Rick has a red scarf around his neck, similar to that of his wife.
  • Rick Spartan is credited as "Nick Spartan," and the Headless Horror is credited as the "Headless Creature."

In other languages

Language Name Meaning
Italian Attacco Del Mostro Senza Testa Attack Of The Headless Monster
Greek Η Επίθεση του Ακέφαλου Τρόμου The Attack of the Headless Horror

Home media


External links

  • TBA

Previous episode: Series: Next episode:
Menace of the Manticore Scooby-Doo! Mystery Incorporated
Season 1
A Haunting in Crystal Cove

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