Jean "Sinny" Sincere Zambello (August 16, 1919 – April 3, 2013) was an American film, television, theater and voice actress.
Her credits included the films Roxanne, The Incredibles, and the musical television series, Glee.
[1][2] Her other Broadway credits included Brigadoon (1947), Barefoot Boy With Cheek (1947), Razzle Dazzle (1951), Wonderful Town (1953), By the Beautiful Sea (1954), and Oh Captain!
[3] Sincere joined the United Service Organizations (USO), entertaining American troops during World War II.
[4] Sincere provided the voice for Mrs. Hogenson in the 2004 Pixar film, The Incredibles, directed by Brad Bird.