Mrs. Doubtfire Costar Mara Wilson on Robin Williams: 'I Wish I Had Reached Out More'

“Being a worst case scenario kind of person, I’ve worried so many times about losing so many people I care about, but I never could imagine losing Robin.”

That’s how former child actor Mara Wilson recalled the late Robin Williams in a post on her personal blog, in which she said she regrets not having kept in better contact with him.

Mrs. Doubtfire Actress Writes Heartfelt Recollection of Robin Williams's Kindness

Before retiring from Hollywood, Lisa Jakub played Robin Williams’s teenage daughter in Mrs. Doubtfire.

Recently, she took time to look back on that part of her life and offer a personal, heartfelt farewell to Williams on her personal blog. Here is what she had to say.

Robin Williams's Best Film Roles: PEOPLE's Critic Looks Back

Robin Williams was a talent unto himself, able to ricochet from performances that were riotously funny to ones that were extremely sensitive, even somber. The wide, unstoppable mouth expressed the exuberant humor. The eyes – small, watchful and blue – seemed to express the sadness and the thoughtfulness. Here are some of my favorite movies from his eclectic but distinguished career.

Remembering Robin Williams Through His Most Beloved Roles

Robin Williams, who committed suicide Monday at the age of 63, came to fame as a stand-up comedian and sitcom star, but over the course of his long career, Williams proved himself a limitless talent, equally at home in family films, adult dramas and everything in between.

As the world mourns Williams, let’s look back at the roles that made the actor so beloved.

Robin Williams's Most Heartwarming Children's Films

PHOTOS: Neil Patrick Harris and More Stars Posing with Their Gender-Bending Selves

Strap on the Foam Suit: A Mrs. Doubtfire Sequel Is in the Works

Prince George Needs a New Nanny: Some Pop Culture Candidates

Mrs. Doubtfire's 20th Anniversary Style: Kim Kardashian and More Celebs Channel the Iconic Character

Mrs. Doubtfire hit theaters 20 years ago Sunday, and the classic comedy seems more relevant than ever. Just this week, a 7-year-old girl saved her mother’s life, claiming she learned the Heimlich maneuver from watching the movie.

Mara Wilson Lists Reasons Why Former Child Stars 'Go Crazy'

Despite the history of former child stars having trouble transitioning into adulthood – as evidenced by Britney Spears’s public meltdown in 2008, Lindsay Lohan’s ongoing troubles, and, most recently, the upheavals taking place in the life of Amanda Bynes – former child star Mara Wilson said she “had a generally good experience” standing