Main Characters Special Agent Omar Adom "OA" Zidan 113 main appearances Assistant Special Agent in Charge Jubal Valentine 113 main appearances Special Agent Maggie Bell 100 main appearances Special Agent in Charge Isobel Castile 90 main appearances Special Agent Stuart Scola 87 main appearances Special Agent Tiffany Wallace 72 main appearances Special Agent Kristen Chazal 41 main appearances Special Agent in Charge Dana Mosier 21 main appearances Special Agent in Charge Ellen Solberg 1 main appearances
Recurring Guest Characters Sheila Ervin 1 guest appearances Citzen One 1 guest appearances Bomb Tech One 1 guest appearances Cop One 1 guest appearances Female 1 guest appearances Male 1 guest appearances Vega Assad 1 guest appearances Hassan Ali 1 guest appearances Jason Cassidy 1 guest appearances Philip Stafford 1 guest appearances Nicholas Katz 1 guest appearances Karen Stafford 1 guest appearances Rob Salem 1 guest appearances Joseph 1 guest appearances Ethan Shaw 1 guest appearances Senator Walt Hoffman 1 guest appearances Sergei Branislav 1 guest appearances DHS Rep Belton 1 guest appearances Diane Ramos 1 guest appearances Mike Townes 1 guest appearances ⇤ « 32 33 34 35 36 37 38 39 40 41 » ⇥