Hazel Shermet was an American actress, comedian, and singer whose decades-long career spanned radio, television, film and theater, including Broadway. In addition to her live action-roles, Shermet also enjoyed a lengthy career as a voice-over and voice actor. She provided the voice of Henrietta Hippo for the entire 196-episode run of the syndicated children's show, New Zoo Revue, from 1972 until 1977.

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