Leonardo DiCaprio Pays Tribute to 'Growing Pains' Costar Alan Thicke: 'No One Was Cooler'

Leonardo DiCaprio worked with Alan Thicke on the final season of Growing Pains

Leonardo DiCaprio is paying tribute to his former Growing Pains costar Alan Thicke, who died at the age of 69 on Tuesday.

DiCaprio, 42, took to Facebook on Wednesday to remember the veteran actor, who he remembers as being one of the most “positive influences” in his life.

“Alan was a devoted father, husband, friend and role model,” DiCaprio wrote. “He knew how to harness the power of the entertainment industry to be a positive influence in so many lives — including mine.”

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DiCaprio appeared alongside Thicke on the final season of Growing Pains as Luke Bower, a homeless teen whom the Seaver family takes in. DiCaprio was just 18 at the time.

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“I will be forever grateful for the opportunity I had to work with Alan early in my career. He had tremendous class, a huge heart, and he taught me and so many others the valuable lessons about humility and gratitude,” he continued. “I’ve seen him a number of times over the years and when Alan Thicke walked in the room, quite frankly, no one was cooler.”

“I miss him already,” he concluded. “My thoughts and prayers are with the entire Thicke family during this difficult time.”

Thicke passed away on Tuesday after suffering a heart attack while playing hockey with his son, Carter.