. >> even broadway great angela lansbury needed some help. the 90 year old actress used an earpiece in the 2009 production of blithe spirit. but she won her fifth tony for that performance. >> as you get older, it gets worse, it gets more difficult. >> mark wing-davey chairs the graduate acting program at nyu. he says remembering lines is challenging, actor bhos have been away from the stage. earpieces can be a solution. >> if you want to see a major movie star, you don't necessarily want to see an incredible feat of memory. you want to see them become relaxed and responsive. if that's what it takes, then it seems to me that is fine. >> james earl jones, cicely tyson, al pacino, were fabulous. >> reporter: new yorker cheryl rubin is a big theater fan. she says she didn't even notice any of the actors getting prompted. >> theater goer are not getting ripped off. they're seeing great acting by great actors. >> great actors doing whatever it takes to keep their names on broadway. jamie yuccas, cbs news, new york. >> that is the cbs evening news