Dan Haggerty, an actor best known for portraying James Capen “Grizzly” Adams on the hit 1970s show The Life and Times of Grizzly Adams, has sadly died. He was 74-years-old.

According to TMZ, Dan passed away after battling cancer the last few months. Sources close to the late star told the entertainment news outlet Dan was diagnosed with cancer following surgery for back pain earlier this year.

dan haggerty 'grizzly adams'

Dan on Grizzly Adams in May 1977.

After starring as nature-loving Grizzly in the 1974 independent movie The Life and Times of Grizzly Adams, Dan reprised the role on the TV series of the same name from 1977 until 1978. His other acting credits include movies Muscle Beach Party, Easy Rider, Angels Die Hard and Big Stan, as well as shows Condominium, The Love Boat and American Pickers.

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Our thoughts are with Dan and his family during this difficult time.