Martha Wentworth was an American actress. Her vocal variety led to her being called the "actress of 100 voices". She worked as a voice artist for Walt Disney Productions, Warner Bros. Pictures, and Metro-Goldwyn-Mayer Studios.
Wentworth's long radio career began in the early 1920s. She played The Wintergreen Witch on The Cinnamon Bear radio program, Annie Wood and Mrs. Littlefield on Crime Classics, Ma Danields on The Gallant Heart.
Turning to film roles in the 1940s, her most recognized film is that of The Duchess in several Red Ryder films. Her other film appearances include Bowery Blitzkrieg, Dr. Jekyll and Mr. Hyde, A Tree Grows n Brooklyn, O. Henry's Full House, Jupiter's Darling, Blackboard Jungle, The Stranger, The Man with the Golden Arm, Rock Around the Clock, The Daughter of Dr. Jekyll, Go, Johnny, Go! and The Beatniks.
Her television credits include I Married Joan, The Loretta Young Show, Telephone Time, Lassie, Dragnet, The Millionarie and Perry Mason.
She lent her voice to Jenny Wren for the Silly Symphonies Who Killed Cock Robin? (1935) and Toby Tortoise Returns (1936). She also played characters from Disney's animated features of the 1960s, performing the voices of Nanny, Queenie the Cow and Lucy the Goose in One Hundred and One Dalmatians (1961) and Madam Mim and Granny Squirrel in The Sword in the Stone (1963), her final credited film appearance.