The gripping new Netflix series Umthetho brings together some of South Africa’s most celebrated actors, led by Nqobile Nunu Khumalo, Tony Kgoroge and Given Stuurman, alongside television household names Sindi Dlathu, Obed Baloyi and Molefi Monaisa. Umthetho cast also marks a return of veteran actor Ernest Msibi, who joins this crime drama helmed by Black Brain Pictures.
Adapted from the acclaimed Netflix Brazilian series Brotherhood, Umthetho follows public prosecutor Mbali Dlamini as she finds herself caught between her duty to uphold the law and her loyalty to the brother she believed had died years ago. See Umthetho cast below, combining award-winning veterans with established television favourites, promising powerful performances throughout the seven-episode crime thriller.
Nqobile Nunu Khumalo as Mbali Dlamini
A skilled young public prosecutor whose life is turned upside down after discovering her brother is alive. Nqobile Nunu Khumalo leads the cast as Mbali Dlamini, adding another major role to her growing résumé. Netflix viewers will recognise her from Fatal Seduction S2, while South African audiences also know her for standout performances in Scandal! and Red Ink.
Tony Kgoroge as Moses
Mbali’s brother and the feared leader of the ruthless prison syndicate known as iGazlam’ – The Brotherhood. Tony Kgoroge takes on the role of Moses, the ruthless leader of the prison syndicate at the heart of Umthetho. One of South Africa’s most acclaimed actors, Kgoroge is known internationally for Invictus, Hotel Rwanda and Netflix‘s Savage Beauty S2, while local audiences will also recognise him from Imbewu – The Seed, Tjovitjo and Recipes for Love and Murder.
Given Stuurman as Sphelele
The youngest sibling whose safety forces Mbali and Moses into an uneasy alliance. Given Stuurman stars as Sphelele, the youngest sibling whose fate drives the emotional heart of Umthetho. The child star is best known for his roles in MTV Shuga, Scandal! and Black Tax, and has also appeared in Netflix’s JIVA!
Sindi Dlathu as Agnes Khoza
Sindi Dlathu stars Umthetho as Agnes Khoza, the prison’s Head of Centre. One of South Africa’s most celebrated actresses, Dlathu is best known for her acclaimed performances in The River, Muvhango, and Queendom. She currently leads etv‘s new daily drama The Four Of Us, also streaming on Netflix.
Molefi Monaisa as Detective Bennet Tau
Bennet Tau becomes deeply involved as the investigation intensifies. Molefi Monaisa portrays Detective Bennet Tau, a key figure investigating the dangerous prison syndicate at the centre of Umthetho. A respected stage and screen veteran, Monaisa is known for his roles in Skeem Saam, The River, Lockdown and The Throne, bringing decades of acting experience to the Netflix crime drama.
Lorcia Cooper-Khumalo as Crystal Dlamini
Lorcia Cooper-Khumalo is on the cast of Umthetho, adding to an impressive career spanning television, film and stage. She is best known for her roles in Lockdown, Red Ink and most recently Netflix‘s Fatal Seduction, where she delivered a standout performance.
Sthembiso “SK” Khoza as Zola
Sthembiso “SK” Khoza stars as Zola in Umthetho. One of South Africa’s most recognisable television stars. He is best known for his performances in The Queen, Ayeye, The Black Door and Kings of Jo’Burg, adding further star power to Netflix’s upcoming crime drama.
Ernest Msibi as Scarra
Ernest Msibi joins the Umthetho cast as Scarra, marking another major role for the veteran actor. He is widely recognised for his performances in the iconic Yizo Yizo, bringing decades of experience to Netflix‘s latest South African crime drama.
Mandla Gaduka as Oros
Mandla Gaduka is part of the Umthetho ensemble as Oros. A household name, best known for his roles in Generations, Broken Vows and District 9.
Lungelo Madondo as Ntombi Sibiya
Lungelo Madondo stars as Ntombi Sibiya in Umthetho. She is a rising star best known for roles in Queendom, Blood Legacy and Uzalo.
The cast also includes Obed Baloyi, Herald Khumalo, Craig Palm and more.
What is Umthetho about?
Umthetho, the isiZulu word for “The Law” centres on Mbali Dlamini, a brilliant public prosecutor whose world is shattered when she discovers that her brother Moses, presumed dead for 14 years, is actually alive and leading one of the country’s most dangerous prison syndicates. As violence escalates both inside and outside prison walls, Mbali is forced into an impossible position where every decision tests her commitment to justice, family and survival.
The series explores corruption, loyalty, betrayal and the price of protecting those you love, asking one central question: When family and justice collide, which side do you choose?
When does Umthetho premiere on Netflix?
Umthetho premieres exclusively on Netflix on 14 August 2026. The South African original is produced by Black Brain Pictures, with Mandla N, Johnny Barbuzano and Jonathan “Jono” Hall directing the series. It is adapted from Netflix‘s Brazilian hit Brotherhood.
With an all-star cast led by Nqobile Nunu Khumalo and Tony Kgoroge, Umthetho is shaping up to be one of South Africa’s biggest Netflix releases of 2026.
