In her twenties, Talley performed improv comedy in Chicago at the Improv Institute and The Second City. Talley and her husband, Tom Kenny, were both cast members of the cult short-lived FOX Network sketch comedy show The Edge from 1992 to 1993 and sketch comedy show Mr. Show from 1995 to 1998. They also appeared together in the May 1996 video for "Tonight, Tonight" by The Smashing Pumpkins as a married couple who take a honeymoon on the moon.
Since 1999, Jill Talley has played Karen Plankton on SpongeBob SquarePants. She was promoted to a main cast member in the credits of its 2004 film adaptation. Talley's other vocal work includes playing several characters on Camp Lazlo (Gretchen, Nina, and Ms. Mucus) and playing Sarah Dubois on the Adult Swim show The Boondocks. She also voiced Lady Granite in the Plastic Man DC Nation Shorts and Maja the Sky Witch in the Adventure Time episode "Sky Witch”.
Since Mr. Show's run, she has also appeared in minor roles in several films such as Little Miss Sunshine and Sky High, in the latter of which she appeared with her husband.
Talley first met Tom Kenny in 1992 while working on The Edge. They married in 1995 and have two children, Mack (born 1997) and Nora (born 2003).
Roles by Jill Talley:
- The Boondocks: Sarah Dubois, various other characters
- Camp Lazlo: Gretchen, Nina, and Ms. Mucus
- Chicago Party Aunt: Bonnie
- Duck Dodgers: Edna Wheely, Mrs. Wiggums, Unice
- The Loud House: Rita Loud, additional voices
- Puppy Dog Pals: Cupcake, Jackie
- Rise of the Teenage Mutant Ninja Turtles: Cherry Tomato
- Rocko's Modern Life: Nosey
- Skylanders Academy: Roller Brawl (darrining Cree Summer from the games)
- Spongebob Squarepants: Karen Plankton, various other characters
- Wacky Races (2017): I.Q. Ickly, P.T. Barnstorm
Tropes associated to Jill Talley:
- The Cameo: Appeared along with husband, Tom Kenny, in the movie Sky High (2005).
- Happily Married: To Tom Kenny.