Possible Clues:

• Character in Eliot drama, also in the saga that inspired it
• - Christie, novelist
• 1979 Vanessa Redgrave film
• A revolver has been sawn off for the lady
• First name in mystery fiction
• Erle's one-time rival
• - Christie, detective novelist
• - Christie, twentieth century crime novelist
• Girl's expression of surprise, plugged by gun
• Writer who created Hercule Poirot, . . . . . . Christie