Related Clues:

• Pro about to go on stage finds agent
• Something that affects a result
• Circumstance or influence that contributes to a result
• One going into a number as a loud performer
• Cause of manufacturing plant closing early
• Characteristic of fine player
• Element influencing a decision
• *Supporting
• Agent works endlessly
• Word after 'X' or 'it'
• The 'F' in SPF
• The "F" in SPF
• Element; circumstance
• 1, 3 or 9, to 9
• Agent in favour of entertaining turn