Even Things That Go Bump in the Night Need Protection with cutting-edge technology, Sanctuary creates a world teaming with mermaids, dinosaurs and monster mayhem TV Guide Dr. Helen Magnus (Amanda Tapping) is a brilliant and enigmatic scientist who seeks out all manner of monstrous creatures. Aided by her protg, forensic psychiatrist Will Zimmerman (Robin Dunne), and her fearless daughter Ashley (Emilie Ullerup), the Sanctuary team tracks down, studies and protects the strange and often terrifying creatures that secretly populate our world.