Television:
* "Cobra Kai" (2018-present) as Anthony LaRusso. This is his most prominent role, portraying the son of Johnny Lawrence and Daniel LaRusso in the popular Netflix series.
* "The Unicorn" (2019-2021) as Grady. He played the son of the main character in this CBS sitcom.
* "The Goldbergs" (2014-2023) as Young Adam Finkel. He had a recurring role in this ABC sitcom.
* "The Middle" (2015-2018) as Zach. He appeared in several episodes of this ABC comedy.
* "Modern Family" (2015) as a young Manny Delgado.
Film:
* "The Afterparty" (2022) as a young version of the character played by Ben Schawrtz. This was a limited series for Apple TV+.
Other:
* He is also known for voicing the character of "Milo Murphy" in the animated series "Milo Murphy's Law" (2016-2019).
Seth Isler is still a rising star, and he is expected to continue to have a busy career in the coming years.