Answer:

CUE

AnswerCrossword Clue
CUEHustler's need
CUEActor's prompt
CUEChalk target
CUEPrompt
CUESignal an actor
CUEBring to mind
CUEHint
CUEStick for Minnesota Fats
CUEMinnesota Fats used one
CUEPool item
CUEThe line before yours, say
CUEPool stick
CUESignal
CUEStage signal
CUEGame room poker?
CUETheatrical signal
CUEShuffleboard stick
CUEPool tool
CUETable implement
CUEEight-ball hitter
CUEPrompting
CUESign on the boards
CUEStage prompt
CUEChalked item
CUEWhite ball
CUEGive a line to
CUEOne waited for in the wings
CUESnooker player's need
CUESnooker necessity
CUEChalked stick
CUE"The Hustler" prop
CUEPool player's purchase
CUEPreceding line, often
CUETool for Willie Mosconi
CUEActor's alert
CUEPrompt from a card
CUEStick in a parlor
CUEBilliards stick
CUEReminder
CUEThe line before yours, e.g.