Cathy Lewis had a diverse and impressive entertainment career, marked by a wide range of creative contributions across film, television, and voice acting. Early on, Cathy Lewis made her mark in the world of cinema, appearing in action-packed projects such as The Party Crashers (1958), where she shared the screen with Mark Damon. Around the same time, Cathy Lewis began building her presence on television, landing a role on the popular CBS series Hazel, which aired from 1961 to 1966 and helped establish her as a versatile performer.

Not stopping there, Cathy Lewis showcased her vocal range and storytelling ability through animation, notably lending her voice to characters in The Adventures of Jonny Quest (CBS, 1964–1980). This added another dimension to her already growing repertoire. As the decades progressed, Cathy Lewis remained active and in demand, contributing to a number of notable productions throughout the 1970s and 1980s. She was involved in films like The Music Machine (1979), starring Gerry Sundquist, and Phar Lap (1983), featuring Tom Burlinson. Additionally, Cathy Lewis played a role in the heartfelt documentary Twenty Years on the Road With Charles Kuralt (CBS, 1986–87).

Her work continued into the late ‘80s with appearances in Showtime’s Classic Rock ‘n’ Roll Reunion (Showtime, 1987–88) and the long-running sitcom Empty Nest (NBC, 1988–1995). During the 1990s, Cathy Lewis balanced her schedule with a mix of comedy and drama, taking part in beloved shows like Roseanne (ABC, 1988–1997), Drexell’s Class (Fox, 1991–92), and the independent film H-2 Worker (1991), co-starring Homer Heron. Further expanding her credits, Cathy Lewis appeared in Herman’s Head (Fox, 1991–94) and Camp Wilder (ABC, 1992–93), demonstrating her adaptability across genres.

In what stands as one of her later professional milestones, Cathy Lewis shifted focus slightly to behind-the-scenes work, serving as an editor for the compelling documentary The Dark Side of Parole (1999–2000). Throughout her journey, Cathy Lewis consistently brought dedication and depth to every project she touched—whether in front of or behind the camera.