“We are deeply saddened to announce that last night the actor Josephine Melville, passed away backstage at Nottingham Playhouse following the performance of the play Nine Night, in which she was performing,” the venue said in a statement.
“Josephine’s family have been informed, and our thoughts and deep condolences are with them.”
Nottingham Playhouse’s chief executive Stephanie Sirr sent her “love and condolences” to Melville’s family and friends.
“On a deeply tragic and extremely difficult evening we want to pay tribute to the company of Nine Night and to the whole Nottingham Playhouse team who managed the situation with empathy and professionalism,” she said.
Fellow actor Adjoah Andoh, who also appeared in EastEnders wrote: “Ach…I’m so shocked. A wonderful actress. Amazing comic timing.
“Part of a community of artists who understood the power of black stories. All blessings & condolences to the family. Full of light, rest in your power Jo.”
Nine Night cast member Andrea Davy said: “Such a pleasure and honour to work with you Josephine. RIP.
“Our Nine Night family is lost without you.”