After playing the role of Charlie in Willy Wonka & the Chocolate Factory(1971), former child actor Peter Ostrum all but disappeared from the spotlight.

Source: https://screenrant.com/what-happened-to-peter-ostrum/

After Sleepless In Seattle, the child actor went on to do voiceover work for the kids animated TV series Recess and starred in Sudden Death (1995), Nick Freno: Licensed Teacher (1996-1997) and Personally Yours (2000).

Source: https://www.dailymail.co.uk/tvshowbiz/article-12214491/Where-cast-Sleepless-Seattle-film-celebrates-30th-anniversary.html?ns_mchannel=rss&ns_campaign=1490&ito=1490

And one of the more noteworthy sequences from The Matrix featured a character known as Spoon Boy, played by the Australian child actor Rowan Witt.

Source: https://www.dailymail.co.uk/tvshowbiz/article-11992883/Rowan-Witt-happened-Spoon-Boy-Matrix.html?ns_mchannel=rss&ns_campaign=1490&ito=1490

And, yes, this former child actor does think of her performances on “Guts” as character work.

Source: https://www.latimes.com/entertainment-arts/music/story/2023-12-13/olivia-rodrigo-guts-grammys-vampire-all-american-bitch

As a child actor, Quan followed his manager's advice to adopt an Americanized name, so he went by Jonathan Ke Quan.

Source: https://www.gjsentinel.com/news/us/ke-huy-quan-wins-oscar-in-an-inspiring-hollywood-comeback/article_49aa8d7d-9645-5bb4-970f-a5deccbbddb2.html

As a child actor, Roshan had already made his mark in the film industry in the 1980s.

Source: https://www.legit.ng/ask-legit/1535941-50-worlds-hottest-male-celebrities-a-crush-on/

Before she hit the big time with lead roles in Euphoria and the Spider-Man franchise, Zendaya was a child actor on the Disney Channel show Shake It Up.

Source: https://www.dailymail.co.uk/tvshowbiz/article-12436543/The-embarrassing-social-media-snaps-stars-DONT-want-Harry-Styles-hilarious-Myspace-bio-Tom-Hardy-underwear-snaps.html?ns_mchannel=rss&ns_campaign=1490&ito=1490

Despite his stint as a child actor in “Indiana Jones” and “The Goonies,” Quan found it difficult to find work as he got older and eventually left acting.

Source: https://theithacan.org/columns/column-the-95th-academy-awards-make-history/

Finally, Mischa Barton about her experience as a child actor for Harper's Bazaar in 2021, saying, "The truth is that sexuality has always been a component of my career.

Source: https://www.buzzfeed.com/hannahmarder/former-child-stars-who-were-sexualized

From her time as a child actor to fronting Noughties indie rockers Rilo Kiley, Jenny Lewis’s life has been packed with wild stories.

Source: https://www.independent.co.uk/arts-entertainment/music/features/jenny-lewis-joyall-interview-rilo-kiley-b2354549.html

Renowned as one of the most versatile actors in Hollywood, Bale got his start as a child actor.

Source: https://screenrant.com/christian-bale-best-movies-ranked/

The child actor turned YouTube star turned influencer turned boxer turned MMA fighter has had plenty of criticism of Fury in the past.

Source: https://brobible.com/sports/article/jake-paul-and-tommy-fury-finally-fight/

The former child actor, now 37, who also starred in “Agent Cody Banks” and on “Dancing with the Stars” wrote a dedicated to his son.

Source: https://nypost.com/2023/01/12/actor-frankie-muniz-to-race-in-arca-menards-series/

While it's unfortunate that Blair didn't always have ideal working conditions as a child actor, there's some comfort in The Exorcist: Believer's determination to do better by its young stars.

Source: https://screenrant.com/exorcist-believer-lidya-jewett-olivia-oneill-taylor-swift/