Movies:
* The Incredible Shrinking Woman (1981): She played the iconic role of "Pat" in this cult classic comedy.
* The Cannonball Run (1981): LeGault had a small but memorable role as "Ms. Shiffer" in this action comedy.
* Police Academy (1984): She played the comedic role of "Debbie Callahan" in this popular comedy series.
* Police Academy 2: Their First Assignment (1985): LeGault reprised her role as "Debbie Callahan" in this sequel.
* My Stepmother Is an Alien (1988): She had a supporting role as "Mrs. Fowler" in this comedy film.
* The Naked Gun: From the Files of Police Squad! (1988): LeGault played "Mrs. Nordberg" in this parody film.
* The Naked Gun 2 1/2: The Smell of Fear (1991): She reprised her role as "Mrs. Nordberg" in this sequel.
Television:
* The Love Boat (1977-1986): LeGault had multiple guest appearances on this popular television series.
* Happy Days (1974-1984): She appeared in a few episodes of this classic sitcom.
* Three's Company (1976-1984): LeGault had several guest appearances on this popular comedy series.
* Fantasy Island (1977-1984): She was a guest star on this iconic television series.
* The Dukes of Hazzard (1979-1985): LeGault appeared in a few episodes of this popular action comedy series.
* The A-Team (1983-1987): She guest-starred in an episode of this popular action series.
* ALF (1986-1990): LeGault had a recurring role as "Mrs. Ochmonek" in this popular sitcom.
* Married... with Children (1987-1997): She guest-starred in an episode of this popular sitcom.
* Night Court (1984-1992): LeGault had several guest appearances on this popular comedy series.
* Seinfeld (1989-1998): She had a small but memorable role as "Woman With Baby" in an episode of this popular sitcom.
Other notable appearances:
* The Tonight Show Starring Johnny Carson (1962-1992): LeGault was a frequent guest on this popular late-night talk show.
* The Mike Douglas Show (1961-1981): She was a guest on this popular daytime talk show.
Mary LeGault's career spanned decades, and she was a beloved presence in both film and television. Her comedic talent, memorable characters, and charming personality made her a favorite among audiences.