Main Characters Special Agent Nick Durand 30 main appearances Emily Byrne 30 main appearances Special Agent Derek Crown 19 main appearances Jack Byrne 25 main appearances Flynn Durand 7 main appearances Alice Durand 22 main appearances Special Agent Cal Isaac 20 main appearances Warren Byrne 19 main appearances Special Agent Julianne Gunnarsen 19 main appearances Tommy Gibbs 10 main appearances Dr. Daniel Vega 6 main appearances Dr. Semo Oduwale 6 main appearances Colin Dawkins 6 main appearances Adam Radford 5 main appearances
Recurring Guest Characters Armstrong 4 guest appearances Larry Novo 3 guest appearances Lawyer 3 guest appearances Charles Avallone 3 guest appearances Valerie Chandris 3 guest appearances Dr. Steven Mandel 3 guest appearances Holt Thompson 3 guest appearances Rex Wolfe 3 guest appearances Lester Nowicki 3 guest appearances Kristophe Scharfe 3 guest appearances Michelle 3 guest appearances Rafiq 3 guest appearances Young Emily 2 guest appearances Young Charles 2 guest appearances Erik Shen 2 guest appearances Maura Moran 2 guest appearances Sergei Derkach 2 guest appearances Large Man 2 guest appearances Dour Man 2 guest appearances Sharon 2 guest appearances ⇤ « 1 2 3 4 5 6 7 » ⇥