She was best known for voicing Tuck on Wonder Pets!, She also played Lindsey Persons in the TBS sitcom Are We There Yet?, replacing Aleisha Allen.

Teala Dunn is known for her role as a YouTube vlogger, and she is also known for her recurring role as Juanita on the Nickelodeon television show, The Naked Brothers Band, Kelsey on The Thundermans, and as the voice of the turtle Tuck in Wonder Pets!.

Dunn made a guest appearance in Law & Order: Special Victims Unit.

Dunn also appeared with Felicity Huffman in Transamerica, and was also heard as a bunny in Disney's Enchanted.

Dunn appeared on Shake It Up as Dina's childhood nemesis, and also appeared on Enlisted as Command Sergeant Major Donald Cody's teenage daughter.