Possible Clues:

• "9 to 5" actress
• Ernestine player on "Laugh-In"
• "All of Me" actress whose first name is a hint to this puzzle's theme
• 2003 winner of the Mark Twain Prize for American Humor
• "9 to 5" star
• Another "Laugh-In" alum
• Twins player in 'Big Business'