Bernard (voice)

Bob Newhart

Acting

Miss Bianca (voice)

Eva Gabor

Acting

Wilbur (voice)

John Candy

Acting

Jake (voice)

Tristan Rogers

Acting

Cody (voice)

Adam Ryen

Acting

McLeach (voice)

George C. Scott

Acting

Frank (voice)

Wayne Robson

Acting

Krebbs (voice)

Douglas Seale

Acting

Joanna / Marahute (voice)

Frank Welker

Acting

Chairman / Doctor (voice)

Bernard Fox

Acting

Red (voice)

Peter Firth

Acting

Francois (voice)

Ed Gilbert

Acting

Faloo / Mother (voice)

Carla Meyer

Crew

Nurse Mouse (voice)

Russi Taylor

Acting

Radio Announcer / Airplane Captain (voice)

Peter Greenwood

Acting

Baitmouse (voice)

Billy Barty

Acting

International Mice (voice) (uncredited)

Mickie McGowan

Acting