Idris Elba joined Winnie Mandela, the ex-wife of former South African president Nelson Mandela, and her daughter Zindzi Mandela, at the premiere of Long Walk to Freedom in Johannesberg.
Elba plays Nelson Mandela in the film which is expected to be released in the UK on January 3.
More top news
Patients are waiting hours in an accident and emergency department due to failings in care, a report into an under-fire trust has said.
A report into the care of people with learning disabilities has called for "immediate action" to protect patients.
A high number of people are fed-up with getting cold calls and want the government to do more to stop them.