Possible Clues:

• Gallery of a theatre
• Boxer, for example, turning up with second in gallery
• They must be crazy, in a film title
• ''Whom the ... love, die young'' (Byron)
• Starts to get 'orrible dizzy spell — sitting here?
• Theatre gallery
• Mercury and Saturn
• Leave surgeon in theatre area
• Where theatre-goers watch their idols?
• Apollo chaos offering great place to see the plough and the stars