Peter Mensah is a Ghanaian-British actor, based in Canada. He is best known for his role as Oenomaus on the Starz television series Spartacus (2010–2013). He has also appeared in such films as Tears of the Sun, Hidalgo, The Incredible Hulk, 300, and Avatar.

Hidalgo is a 2004 epic biographical western film based on the legend of the American distance rider Frank Hopkins and his mustang Hidalgo. It recounts Hopkins' racing his horse in Arabia in 1891 against Bedouins riding pure-blooded Arabian horses. The movie was written by John Fusco and directed by Joe Johnston. It stars Viggo Mortensen, Zuleikha Robinson, and Omar Sharif.