Jabu Christopher Kubheka's wife found his dead body in their house.
According to police spokesperson Captain Mavela Masondo he used a tie to hang himself.
Besides his role as Gunman he also appeared as Bazooka Khumba in SABC1's drama series Zone 14, as well as in TV dramas like Jacob's Cross, A Place Called Home, the soaps Zabalaza, Gold Diggers and Generations, as well as comedies like Abo Mzala, Ses'Top La and Thandeka's Diary.
In 2014 he appeared in the role of Skhumba, a township hustler, in the e.tv comedy Van 'n Sit produced for the eKasi+ channel on OpenView HD.
In films he appeared in 1991's Crazy Safari and in 2001's The Long Run.
On Monday night the kwaito musician Arthur Mafokate tweeted: "#RIPGunman - we will miss you my brother and friend".
If you need help, call the South African Depression and Anxiety Group that has a suicidal emergency contact number at 0800 567 567.