Hanna-Barbera Studios: S: Scooby Doo, Where Are You!: Mystery Mask Mix-Up

1970

Hanna-Barbera Studios.

Cartoon Characters:

 Scooby-Doo, Freddy Jones, Daphne Blake, Shaggy Rogers, Velma Dinkley, Mr. Fong/Zentuo, Inspector Lu.

Vocal Talent:

 Don Messick (Scooby-Doo), Frank Welker (Freddy), Heather North (Daphne), Casey Kasem (Shaggy), Nichole Jaffe (Velma), Viz Perrin, Barry Richards, George A. Robertson, Hal Smith, John Stephenson, Swan Steward, Michael Stull, Jean Vander Pyl.

Directed By

 William Hanna, Joseph Barbera.
Animation Direction by Charles A. Nichols.

Produced By

 William Hanna, Joseph Barbera.
Associate Producer: Alex Lovy.

Animated By

 George Rowley, Bill Keil, Ray Abrams, Isadore Ellis, Volus Jones, Carlos Alfonso, George Goepper, Dick Cundy.

Written By

 Lar Bourne, Tom Dagenais, Bill Lutz.
Story Direction: Paul Sommer, Bob Singer, Howard Swift.
Story Editors: Joe Ruby, Ken Spears.

Music By

 Ted Nichols.
Theme Song: David Mook, Ben Raleigh.
Words, Music, "I Can Make You Happy": Danny Janssen, Sue Steward.