The Secret of NIMH

The Secret of NIMH is a 1982 American animated fantasy adventure film directed by Don Bluth in his directorial debut and based on Robert C. O'Brien's 1971 children's novel, Mrs. Frisby and the Rats of NIMH. The film features the voices of Elizabeth Hartman, Peter Strauss, Arthur Malet, Dom DeLuise, John Carradine, Derek Jacobi, Hermione Baddeley, and Paul Shenar. It was produced by Bluth's production company Don Bluth Productions in association with Aurora Productions.