Main Characters Detective Nick Knight 70 main appearances Dr. Natalie Lambert 70 main appearances Detective Donald Schanke 48 main appearances Tracy Vetter 22 main appearances Lucien LaCroix 4 main appearances Captain Joe Stonetree 2 main appearances Captain Joe Reese 2 main appearances Janette du Charme 1 main appearances Javier Vachon 1 main appearances Captain Amanda Cohen
Recurring Guest Characters Jeannie 2 guest appearances Dr. Alyce Hunter 1 guest appearances Donald Fenner 1 guest appearances Erica 1 guest appearances Angela Mosler 1 guest appearances Officer Norma Alves 1 guest appearances