She is best known for playing the role of Aya Al-Rashid in The CW vampire series The Originals, and Abigail Naismith in the Doctor Who Christmas special, "The End of Time".
[citation needed] Ifeachor went on to play Rosalind in Tim Supple’s As You Like It for the opening of the new Curve Theatre in Leicester.
Whilst rehearsing, Ifeachor was offered the role of Abigail Naismith in David Tennant’s final two Doctor Who episodes ("The End Of Time" Parts One and Two) which were broadcast at Christmas 2009 and on New Year's Day 2010.
[3] Ifeachor played the role of Beneatha in Lorraine Hansberry’s A Raisin In The Sun, directed by Michael Buffong for the Royal Exchange Theatre in Manchester which opened to rave reviews.
[citation needed] In 2016, Ifeachor was cast in the ABC thriller series Quantico in the recurring role of Lydia Hall.