Answer:

costars

Answer	Crossword Clue
COSTARS	Hepburn and Tracy, often
COSTARS	Hero and villain, perhaps
COSTARS	Film lovers, usually

COSTARS	Sharers of top billing
COSTARS	Marquee names
COSTARS	Those sharing the marquee
COSTARS	Hope and Crosby, often
COSTARS	Two atop a bill
COSTARS	They share billing
COSTARS	Supporting actors
COSTARS	Shares top billing

COSTARS	Show people
COSTARS	Shares top billing.
COSTARS	Cronyn and Tandy, often
COSTARS	Tracy and Hepburn, quite often
COSTARS	Top-billing sharers
COSTARS	Equally billed headliners
COSTARS	Gere and Roberts, e.g.
COSTARS	Film lovers, typically

COSTARS	Shares the limelight theatrically