
O'Hara began her acting career with a strong theatrical background, having been a part of The Second City, a renowned improvisational theatre troupe in Toronto. It was here that she honed her improvisational skills which would become a signature of her later work. Her big break came when she was cast in the television sketch comedy show "SCTV" (Second City Television). Not only did her work on "SCTV" earn her a devoted fan base, but it also garnished her first Emmy Award, setting a precedent for what was to come.
Catherine's talents quickly transitioned into film, where she collaborated with director Tim Burton in iconic movies such as "Beetlejuice" (1988) and "The Nightmare Before Christmas" (1993), where she lent her voice to Sally. O'Hara's portrayal of quirky, eccentric characters cemented her status as a versatile actress capable of tackling a variety of genres. Her collaboration with Christopher Guest further showcased her range and improv skills in mockumentaries like "Waiting for Guffman" (1996) and "Best in Show" (2000), which became cult classics and shown O'Hara's unique ability to bring characters to life in an unscripted format.
In addition to her film career, Catherine O'Hara has made significant contributions to television. Her portrayal of Moira Rose on the critically acclaimed series "Schitt's Creek" is perhaps one of her most beloved roles. O'Hara's Moira, with her outlandish outfits and peculiar accent, became an iconic character, earning Catherine an American Film Institute Award and several additional Emmy Awards. Her performance was pivotal in leading "Schitt's Creek" to become a cultural phenomenon, particularly appreciated for its humor, warmth, and inclusivity.
Apart from her professional achievements, O'Hara has been a formidable presence in advocating for Canadian artists and has contributed significantly to various charitable causes. Her involvement in various fundraising initiatives showcases her commitment to giving back to the community that supported her through her early years in Toronto.

Over the years, Catherine O'Hara has not just survived but thrived in the fluctuating waves of the entertainment industry, remaining relevant and revered in an incredibly competitive field. Her ability to adapt to changing times while maintaining her unique voice is a testament to her talent and perseverance.
Her long-standing career serves as an inspiring blueprint for young actors, particularly in the realm of comedy. O'Hara's journey from the stages of improv theaters to the screens of silver and pixels highlights the importance of versatility and a persistent spirit.
In summary, Catherine O'Hara's contribution to the arts goes beyond just the characters she played; her impact is woven into the fabric of the entertainment industry's evolution, especially in the realms of comedy and strong, dynamic female roles. Her legacy is characterized not only by her awards and accolades but more significantly by the laughter and affection she inspires in her audience. As she continues to charm and engage, Catherine O'Hara remains a monumental figure in the world of entertainment.