Nikita Mears • Michael • Alexandra Udinov • Seymour Birkhoff • Percival Rose • Amanda • Owen Elliot • Ryan Fletcher • Sean Pierce • Jaden • Thom

Recurring Characters
Sonya • Ari Tasarov • Roan • Kathleen Spencer • Madeline Pierce • Nikolai Udinov • Patrick Miller • Sergei Semak • Nathan Colville • Max • Evan Danforth • Phillip Jones • Morgan Kendrick • Carla Bennett • Katya Udinov • Anne • Cassandra • Rachel • Chris

Guest Characters
Cyrus • Daniel Monroe • Emily Robinson • Robbie • Dana Winters • Kasim Tariq • Mirko Dadich • Ramon

Season Two
"Game Change" • "Falling Ash" • "Knightfall" • "Partners" • "Looking Glass" • "343 Walnut Lane" • "Clawback" • "London Calling" • "Fair Trade" • "Guardians" • "Pale Fire" • "Sanctuary" • "Clean Sweep" • "Rogue" • "Origins" • "Doublecross" • "Arising" • "Power" • "Wrath" • "Shadow Walker" • "Dead Drop" • "Crossbow" • "Homecoming"

Season Three
"3.0" • "Innocence" • "True Believer" • "Consequences" • "The Sword's Edge" • "Sideswipe" • "Intersection" • "Aftermath" • "Survival Instincts" • "Brave New World" • "Black Badge" • "With Fire" • "Reunion" • "The Life We've Chosen" • "Inevitability" • "Tipping Point" • "Masks" • "Broken Home" • "Self-Destruct" • "High-Value Target" • "Invisible Hand" • "Til Death Do Us Part"

Season Four
"Wanted" • "Dead or Alive" • "Set-Up" • "Pay-Off" • "Bubble" • "Canceled"