United Kingdom, Feb. 18 -- Henry Winkler has hailed Ron Howard as "one of the best acting partners" of his career.

The 80-year-old actor starred alongside Ron, 71, on Happy Days, the hit TV sitcom, and Henry has revealed that he relished working with his showbiz pal.

Henry - who played the role of Arthur 'Fonzie' Fonzarelli on Happy Days - said on the What Matters with Liz podcast: "When we did Happy Days together, now here's a guy who's never done theatre before, he's only done film. Ron had never done it before and was really nervous - especially in 1975 when we went from doing it like a little movie to in front of an audience. He was panicked.

"And I'm telling you - things would come to me during the show, and I would just do them, ...