เบซิล นักสืบหนูผู้พิทักษ์

Diana Chesney

Mrs. Judson (voice)

Eve Brenner

The Mouse Queen (voice)

Alan Young

Mr. Flaversham (voice)

Basil Rathbone

Sherlock Holmes (voice)

Ellen Fitzhugh

Bar Maid (voice)

Walker Edmiston

Citizen / Thug Guard (voice)

Wayne Allwine

Thug Guard (voice)

Tony Anselmo

Thug Guard (voice)

Frank Welker

Toby the Dog / Felicia the Cat (voice) (uncredited)