Nikita

Maggie Q

Alex Udinov

Lyndsy Fonseca

Michael

Shane West

Seymour Birkhoff

Aaron Stanford

Amanda

Melinda Clarke

Ryan Fletcher

Noah Bean

Owen Elliot

Devon Sawa

Sean Pierce

Dillon Casey

Guest Star

Lyndie Greenwood

Percy Rose

Xander Berkeley

Guest Star

Judd Nelson

Guest Star

Todd Grinnell

Guest Star

Simon Kassianides

Guest Star

Alex Carter

Phillip Jones

David S. Lee

Guest Star

John Getz

Guest Star

Nahanni Johnstone

Guest Star

Vincent Ventresca

President Kathleen Spencer / Vice President Kathleen Spencer

Michelle Nolden

Guest Star

Rose Rollins

Guest Star

Stephan Dubeau

Guest Star

Saamer Usmani

Thom

Ashton Holmes

Guest Star

Farah Merani

Guest Star

Christopher Tai

Guest Star

Claire Rankin

Guest Star

Billy MacLellan

Guest Star

Ola Sturik

Jaden

Tiffany Hines

Guest Star

Jee-Yun Lee

Guest Star

Von Flores

Guest Star

Lindsay Merrithew

Guest Star

Josh Peace

Guest Star

Danny MacDonald

Ari Tasarov

Peter Outerbridge

Guest Star

Gabe Grey

Guest Star

Sean Arbuckle

Guest Star

Catherine Burdon

Guest Star

John Nightingale

Guest Star

Dan Della Penna

Senator Madeline Pierce

Alberta Watson

Patrick Miller

William deVry

Sergei Semak

Peter J. Lucas

Nathan Colville

Thad Luckinbill

Cassandra Ovechkin

Helena Mattsson