Education
He attended Tolworth Infants/Juniors School and Southborough High School in Kingston, and later turned down a number of places at the United Kingdom"s leading drama schools in order to pursue a university education, gaining a First Class degree in Business Computing from the University of Surrey, graduating in 2003.
Career
He is known for portraying Personal Computer Clark in New Tricks and District of Columbia Callum Gada in Paradox. Born and brought up in Kingston upon Thames, Okonkwo is of Nigerian descent. After completing his studies Okonkwo pursued an acting career full-time.
Okonkwo was one of ten actors selected from twelve thousand applicants for the British Broadcasting Corporation Talent Scheme in 2001, leading to his first professional acting role in Holby City.
Okonkwo is the patron of the Kingston-based International Youth Arts Festival. Okonkwo"s stage credits include Oklahoma!, Into the Woods, Fixer, As You Like lieutenant, In Time and A Matter of Life and Death.
He spent a year performing at the National Theatre, where he appeared in several productions including Philip Pullman"s His Dark Materials. Okonkwo"s film work includes Derailed (2005), Animal (2005) and Spirit Trap (2005).
He has also appeared in the short films Tooting Broadway Flatmates and Knock Office.
On television, Okonkwo has made guest appearances in episodes of Holby City, Silent Witness, Casualty, Massachusetts Institute of Technology: Murder Investigation Team and Roman Mysteries. He also appeared in Blood and Oil, a British Broadcasting Corporation Two drama about the oil conflict in the Niger Delta. Okonkwo played the lead roles of Personal Computer Clark in the pilot and first series of New Tricks, and District of Columbia Callum Gada in Paradox.
He will be seen in The Birth of a Nation, which will have it"s world premiere in competition at the Sundance Festival in 2016.
Membership
He trained at the National Youth Theatre, and was a member of the National Youth Music Theatre between 1999 and 2002. Okonkwo is a long-standing member of the Royal Shakespeare Company (Royal Society of Chemistry ) performing in their 50th Anniversary season in Stratford-Upon-Avon, and most recently in Gregory Doran"s critically acclaimed production of Julius Caesar (play) at the Brooklyn Academy of Music (Brooklyn Academy of Music) in New York in 2013.