Denise Richards lamented the actor's loss, tweeting, "We lost a legend...RIP Andy Griffith."
"Few people in this world will ever have more influence on our lives than Andy Griffith. An actor who never looked like he was acting, a moral compass who saved as many souls as most preachers, and an entertainer who put smiles on more faces than almost anyone; this was as successful a life as is pretty much possible," Brad Paisley told E! News in a statement. "Andy Griffith made the world a better place, and I was so proud to call him a friend."
"Staying positive and sharing joy," wrote Andie MacDowell. "Andy Griffith will always be remembered for bringing us all peace and wholesome entertainment."
American Idol winner Phillip Phillips wrote: "Can't believe Andy Griffith passed away today. Loved his show. Prayers go out to the family. Used to watch it all the time with my papa."
Another Idol winner, Scotty McCreery, tweeted: " RIP Andy Griffith. We lost a legend today that provided me and my family some great quality time around the tv filled with some good laughs."
"Farewell to a TV ICON :(" Holly Robinson Peete wrote.
Kevin Smith tweeted: "Andy Griffith passes, age 86. HUGE bucket of win life. Cane pole in hand, he's headed toward the Fishin' Hole of eternity..."
"RiP Andy Griffith!!! Sadness abounds!!!" wrote Octavia Spencer.
Ralph Macchio wrote: " Take a moment and whistle 'The Andy Griffith Show' theme today - finger snap optional - RIP Andy Griffith."
"RIP Andy Griffith. Sometimes I wish the world was as simple as it used to be in Mayberry," tweeted Frank Caliendo.
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