Answer: PLAYIT

AnswerCrossword Clue
PLAYITIlsa's request to Sam
PLAYITStart of an oft-misquoted 1942 film line
PLAYIT".. Again, Sam"
PLAYITRequest to Sam in "Casablanca"
PLAYIT... safe (take no risk).
PLAYIT"... again, Sam"
PLAYITWhat Bogey said to Sam
PLAYIT"..., Sam"
PLAYITBandleader's cry
PLAYITRick's order to Sam