Just one week before his sudden death,Matthew Perryenjoyed an outing with a friend at a popular Los Angeles diner.

The 54-year-old actor — whodiedSaturday in an apparent drowning — was photographed in public for the last time on Oct. 21 at The Apple Pan, which he left with a beverage in hand. Perry wore dark pants and a gray T-shirt, while his dining companion carried a takeout bag.

“He was a good guy, very nice,” a restaurant source tells PEOPLE of a previous visit theFriendsstarmade to The Apple Pan, which is popular among celebrities likeLeonardo DiCaprio.

Adds the source of Perry’s low-key demeanor: “It was a busy day, but people weren’t really looking at him.”

TheImageDirect

Matthew Perry

Matthew Perry in 2015.Angela Weiss/Getty

Matthew Perry

Angela Weiss/Getty

Perry wasfound deadat his Los Angeles-area home, withTMZreporting that first responders had been called to the home for cardiac arrest but that no drugs were found at the scene and no foul play was suspected.

A Los Angeles Police Department spokesperson later told PEOPLE that officers responded to a call at Perry’s address regarding the death of a male in his 50s, though authorities would not confirm the identity of the deceased.

“Matthew was an incredibly gifted actor and an indelible part of the Warner Bros. Television Group family. The impact of his comedic genius was felt around the world, and his legacy will live on in the hearts of so many," the statement continued. “This is a heartbreaking day, and we send our love to his family, his loved ones, and all of his devoted fans.”

Matthew Perry in 2022.Santiago Felipe/Getty

: Matthew Perry

Santiago Felipe/Getty

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Perryshared a final post to Instagramon Monday that featured him in a hot tub at night with the caption, “Oh, so warm water swirling around makes you feel good? I’m Mattman.”

“Mattman” is a name he’d used in recent days while posting on social media, often including references and imagery related to Batman.

“He was having fun,” asource told PEOPLEof his “Mattman” posts, which stemmed from an idea Perry had been working on for a series.

The insider said Perry had also just signed on to act in a new drama film,Unworthy, which was on hold due to the strike, and had recently moved into his new home after renovating it.

“He was incredibly happy,” the source added.

source: people.com