Directed by: Don Bluth
Starring: Dom DeLuise, Derek Jacobi, Elizabeth Hartman, Arthur Malet
Trivia: Mrs. Brisby's eldest daughter was voiced by a young Shannen Doherty, later to become famous for her role as Brenda in "Beverly Hills 90210."
Trivia: The main character, Mrs. Brisby, is called Mrs. Frisby in the book the based the film. The name Mrs. Brisby had to be used because the trademark for the toy "Frisbee" was taken.
Continuity mistake: When Nicodemus gives Mrs. Brisby the red amulet, she notices an inscription on the back of it and the camera zooms in to it. Before that, there was no inscription, and the back was blank.
Nicodemus: In the beginning, we were ordinary street rats, stealing our daily bread, and living off the efforts of man's work. We were captured, put in cages, and sent to a place called nimh. There were other animals there, in cages. They were put through the most unspeakable torture, to satisfy some scientific curiosity. Often, at night, I would hear them cry out in anguish. Twenty rats and eleven mice were given injections. Our world began changing.
Answer: He doesn't per se, the rats release him when they show up to move Mrs. Brisby's house.
Grumpy Scot