United Kingdom, June 15 -- Henry Winkler is "not a thrill seeker" in real life.

The 79-year-old actor - who has Zoe, 44, and Max, 41, with wife Stacey Weitzman but is also stepdad to her 52-year-old son Jed - admitted that he doesn't really look for adventure when he is not making movies, but recalled that one of the most "beautiful moments" of his life occured with his children many years ago as they floated above Utah.

He told PEOPLE: "I channel [being a daredevil] only when I am acting. I am not a thrill seeker. I am thrilled... I remember years ago, with my children who are now in their 40s and 50s, I remember being on a chair lift in Utah with them, traveling up and over the tops of snow-covered pine trees.

"[I was] thinking this ...