PHOTOS: Alan Thicke through the years

Actor Alan Thicke poses in Los Angeles, Calif., on Dec. 11, 1985. (AP Photo/Robert Gabriel)

Alan Thicke, host of “Thicke of the Night,” smiles as he answers questions during an interview on Thursday, Sept. 10, 1983 in his office at Metro Media Square, Los Angeles. (AP Photo/Colin Crawford)

Alan Thicke is photographed at the Emmy Awards in Los Angeles on Sept. 20, 1987. (AP Photo/Pizac)

Doris Roberts, of NBC's "Remington Steele" television show, second from right, is flanked by Judith Light, second from left, Ana Alicia, right, and Alan Thicke, left, Aug. 5, 1985. (AP Photo/Wally Fong)

Alan Thicke, left, and Joan Van Ark, right, present Bob Costas, center, with the Sports Emmy for Outstanding Personality/Host in New York in night on Wednesday, July, 14, 1988. (AP Photo/Mark Lennihan)

Actress Jane Powell embraces Alan Thicke during a break in the taping of the television series 'Growing Pains' in Burbank, California, Tuesday, Oct. 18, 1988. (AP Photo/Nick Ut)

Alan Thicke attends Luc Robitaille's Celebrity Shoot Out benefitting Echoes of Hope, on Sunday, Jan. 19, 2014 in Park City, Utah. (Arthur Mola/Invision/AP)

Actor Alan Thicke, right, signs his book "How to Raise Kids that Don't Hate You" for Jennifer Green of Westhampton Beach, N.Y., at the 2006 Book Expo. (AP Photo/Caleb Jones)

Starring as the Seaver Family on ABC's "Growing Pains" are: Kirk Cameron as Mike, Joanna Kerns as Maggie, Jeremy Miller as Ben, Alan Thicke as Jason and Elizabeth Ward as Carol. (AP Photo)

Alan Thicke is shown in this 1992 photo. (AP Photo/Julie Markes)

Robin Thicke, Paula Patton and Alan Thicke at the World Premiere of Touchstone Pictures' "Swing Vote" on July 24, 2008 at the El Capitan Theatre in Hollywood, CA. (Eric Charbonneau/Invision/AP)

Alan Thicke and his wife Tanya pose together at the premiere of the film "Bad Moms" at the Mann Village Theatre on Tuesday, July 26, 2016, in Los Angeles. (Chris Pizzello/Invision/AP)

Alan Thicke visits The Marilyn Denis Show at the CTV Headquarters on Thursday, August 30, 2012, in Toronto. (Arthur Mola/Invision/AP)

Alan Thicke attends the 25th Annual Environmental Media Awards held at Warner Bros. Studios on Saturday, Oct. 24, 2015, in Burbank, Calif. (John Salangsang/Invision/AP)