London, June 6 : ‘Lord of the Rings’ star Sir Ian McKellen has called for playwrights to create more stage and screen roles for older actresses. McKellen backed a campaign by actors’ union Equity, which called on broadcasters to change their attitudes towards actresses aged over 45, in a bid to revive the British theatre and television. Over 4,000 people, including Julie Walters and Harry Potter actress Imelda Staunton, have signed a petition supporting the cause. Sir Ian McKellen urges for more roles for mature actresses