According to E! Online, the Final Destination star will be an enemy for Nikita (Maggie Q).
Sawa's character Owen is described as "a highly trained Division agent who is equal to Nikita in skill".
Sawa will make his debut on the show in the fifth episode, which is currently scheduled to air on October 7.
Nikita, which also stars Lyndsy Fonseca and Melinda Clarke, premieres on September 9 on The CW.