Possible Clues:

• Studio producing ''Gone With the Wind''
• "The Magnificent Seven" TV studio
• "North by Northwest" film studio
• 'North by Northwest' film studio
• 'An American in Paris' studio
• 1991 book subtitled 'When the Lion Roars'
• 'The Mod Squad' studio
• Lion logo studio
• ''2001...'' studio
• With 30-Down, Vegas hot spot