"Now, mushrooms hold an entirely new meaning for me," the late actor's daughter shared.
"Wish these scenes could go on forever," the show's creator Roberto Aguirre-Sacasa wrote on Twitter.
"90210" co-star Ian Ziering, who played the son of Jed Allan's Rush Sanders, said "he was a great guy to work with."
The actors appeared in "Beverly Hills, 90210" together in the '90s and were friends ever since.
The actor, who died on Monday, was described as a mentor to the young cast members.
Sophie Perry, 18, wrote a refreshingly honest note about dealing with the outpouring of condolences.
Perry's "90210" co-star said the two shared a "special kind of love."
The actors met on a flight where the "Beverly Hills, 90210” star made some children very happy.
Perry's "Riverdale" co-stars and others shared their heartbreak on social media.
The actor rose to fame playing brooding loner Dylan McKay on the original "Beverly Hills, 90210."
The actor's "90210" co-stars wished him a speedy recovery on Instagram.
He said he knows what his "Beverly Hills, 90210" character was "up to."
"Welcome to the 902-5-OH."
So who is hopping on the shuttle bus that is running while the MTA is doing track work on the L train, but they are going to get dropped off at the intersection of See Ya Street and Embarrassment Avenue?