Possible Clues:

• Chita's "West Side Story" role
• 'Body Surfing' writer Shreve
• ''Gentlemen Prefer Blondes'' novelist Loos
• Santa ___ Derby (annual horse race)
• A reportedly trimmer girl
• Clarence challenger
• Maria's friend in ''West Side Story''
• ''America'' singer in ''West Side Story''
• Lt. ___ Van Buren ('Law & Order' role)
• Old craft to travel on a river