Related Clues:

• Performer
• Two, for one
• 13
• 2, 3 or 5
• Head anesthesiologist?
• Acrobat, e.g.
• 2 or 3, but not 4
• It's for the host to go in with thanks in here
• One such as 3, 5, 7, 11, etc
• One with no divisors
• Integer divisible only by itself and by 1
• Variety artist
• Excellent anaesthetic for one or two, perhaps
• One who considers he may have a stage career?
• First-rate painkiller one alone can always divide