The following credits are shown at the end of every episode. They reflect closely as possible as to how they are presented on-screen. * Produced and Directed by: Joseph Barbera and William Hanna * Co-Producer: Alex Lovy * Story Editors: Ken Spears, Joe Ruby * Story: Larz Bourne, Tom Dagenais, Bill Lutz * Story Direction: Bob Singer, Paul Sommer, Howard Swift * Voices: Nicole Jaffe, George A. Robertson, Jr., Casey Kasem, Hal Smith. Don Messick, John Stephenson, Heather North, Susan Steward, Vic Perrin, Michael Stull, Barry Richards, Jean Vander Pyl, Frank Welker * Animation Director: Charles A. Nichols * Production Design: Iwao Takamoto * Production Supervisor: Victor O. Schipek * Layout: Bob Singer, Dick Bickenbach, Mike Arens, Gary Hoffman, Rick Gonza