The best Catherine O’Hara movies and TV shows prove that she is one of the smartest and quick-witted comedic actresses of her era. She got her start as a comedy performer, working with The Second City in Toronto and learning as an understudy to Gilda Radner. She then got a big break when they started the sketch comedy show SCTV and she became one of the regulars on it. This led to cartoon voice roles and television guest spots until she got her breakout in various TV roles in the 80s and onward.

https://screenrant.com/catherine-ohara-best-movies-tv-shows-ranked/