On social media, Cameron's younger sister, actress Candace Cameron Bure, also remembered the impact Thicke had on her family: "I'm sad beyond words that Alan Thicke has passed away", Bure wrote alongside a photo of herself and Thicke on the set of Fuller House.
Thicke was born in Ontario, Canada, in 1947.
DiCaprio appeared alongside Thicke on the final season of Growing Pains as Luke Bower, a homeless teen whom the Seaver family takes in.
Thicke's agent Tracy Mapes said in a statement, "Today the world lost an wonderful talent".
Actor and talk show host Alan Rhicke died Tuesday at the age of 69.
Alan Thicke even composed the theme songs for Diff'rent Strokes and Wheel of Fortune, among others.
But another big part of Thicke's life was his love of hockey.
"The good thing was that he was beloved and he had closure", said Robin Thicke, who credited his father as being both an inspiration and providing support for his music career. Alan was not only a celebrated actor, but also an accomplished musician. Such a good husband, father, brother, and friend.
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Robin Thicke is speaking out after the unexpected death of his dad, Alan Thicke.
The actor died after suffering a heart attack while playing hockey with his son Carter.
Cameron played Mike Seaver, son of Thicke's television character, from 1985 to 1992.
A lineup card from the rink showed Carter Thicke and his father were on the same line together during the game.
"I grew up watching him and got to know him through Robin".
His former Growing Pains co-star Leonardo DiCaprio paid his respects on Facebook, praising his "tremendous class" and "huge heart".
His statement echoed the thoughts of his half-brother Carter, who wrote Tuesday that he'd lost his "best friend" and "idol". Thank you for you love.
Thicke guest starred in a second-season episode of the Netflix comedy "Fuller House", which was released Friday and made a cameo appearance as himself in the premiere of the critically acclaimed NBC drama "This Is Us" on September 20.