24 THEATRE AND FILMSBorn on 27 August
24 THEATRE AND FILMSBorn on 27 August
1959 in Accra , Ghana , is a English-Ghanaian actor who comes from an academic family . He was born in Ghana , to parents of Ashanti origin but he moved to Hertfordshire , England , with his father , an engineer , his mother , a writer and two younger sisters at a young age . Mensah emigrated from Britain to see the world and it was a toss up whether his destination would be Canada or Australia . The paperwork for Canada came through first and he worked for British Gas developing gas fields at Morecomb Bay . Peter Mensa made his TV debut in 1995 on the TV series Nancy Drew . Mensah , who has practiced martial arts since the age of 6 received his first major break when he was cast as a main character on the Sparz action drama Spartacus Blood and Sand as Doctor Oenomaus a former gladiator tasked with training new recruits at the house of Batiatus . Peter reprised his role Doctore Oenomaus for the prequel series Spartacus God of the Arena and the sequel Spartacus Vengence . Recently , he did the voice and likeness of Sgt . Zach Hammond in EA ’ s video game Dead Space . Peter Mensa also had a recurring role on the HBO supernatural drama True Blood as Kibwe Akinjide a chancellor of the Authority who tried to capture Russell Edgington . He met James Cameron in a parking lot , and Cameron cast him in Avatar on the spot .