Frieda Lipp with Jim Boyd in Episode 3470
Frieda Lipp was a longtime production supervisor on Sesame Street and related projects beginning in Season 8 in 1976. She moved to the series after having worked in the same capacity on The Electric Company. She made an on-screen cameo as a lemonade stand customer in Episode 3470.
In 1996, her credited title changed to production stage manager, from Season 28 to Season 33 (her last). Outside of her TV work, she occasionally wrote plays in the 1970s, including The Wolves and the Lamb.