A special unit of the Chicago Police Department is tasked with catching dangerous creatures representing strange byways in evolution, who hide from normal human society.
Michael Landes as Det. Nick O'Malley,
Alexondra Lee as Det. Kate Benson,
Richard Gant as Capt. Richard Page,
Danny Woodburn as Carl the Gnome,
Sean Whalen as Sean Radmon [ 1 ],
Jonathan Togo as Jonathan [ 2 ],
Pauley Perrette as Alice Cramer [ 2 ],