Related Clues:

• Key player, very good at concealing recurrent anger, perhaps
• Security device maker
• Sounds like 24's story describing Gabriel Varden
• Player's seemingly good answer isn't, surprisingly
• Figure of fun to one in Piccadilly Circus
• One's grand airs punctuated by sharp depressions?
• Ivories tinkler
• Ivories tickler
• One of the key men provides security at the state's college hospital
• A pint is poured for entertainer
• Maker of security devices
• A key player, perhaps, from his score
• Tradesman bolts on hearing story
• Key worker in the hairdressers?
• A grand player, perhaps, from his score