Which celebrity guest solved the Scooby-Doo mystery?

Where was the '70s star at the scene of the crime?

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The New Scooby-Doo Movies is an awesome time capsule of 70's celebrity culture. 

All the biggest stars were on road trips ready to help Mystery, Inc. catch a ghost or a monster - but do you remember which mysteries these celebrities solved? Take this quiz and match the star to the mystery!
  1. Which celebrity guest ran a carnival that was haunted by a ghostly strongman?
  2. Who threw a candy bar at Mystery Inc. to ask for their assistance in escaping a haunted candy factory?
  3. Which group helped Mystery, Inc. investigate a haunted showboat?
  4. Which celebrity guest is the heir to Hagglethorn Hall, a medieval fortress haunted by ghost knight?
  5. Which group helped Mystery, Inc. solve the mystery of the Ghost of the Red Baron?
  6. Which duo helped Scooby and Shaggy escape from the spooky Shark Men?
  7. Which actress swapped places with Daphne to trick the various monsters on their movie set?
  8. Who helps the gang unmask the mysterious ghost of Captain Moody?
  9. Which group solved three mysteries with Mystery, Inc.?
  10. Which duo helped Mystery, Inc. track down the ghost of Bigfoot at a ski resort?

Which celebrity guest solved the Scooby-Doo mystery?

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