The Life and Times of Grizzly Adams: Cast Rate: –☹️ Very Bad🙁 Bad😐 Average🙂 Good😃 Excellent🤩 Super! ★ Save Rating✔ Rating Saved! Notify me: –about new episodeabout new seasonabout end of season Subscribe✔ Subscription Saved! The Life and Times of Grizzly Adams Adventure, Action 2/9/77 – 12/19/78 NBC United States GeneralEpisodesCastCharactersGallery Cast See full cast → Dan Haggerty as James 'Grizzly' Adams Denver Pyle as Mad Jack Denver Pyle as Mad Jack Don Shanks as Nakoma