Edmond "Ned" Keenan Wynn (April 27, 1941 – December 20, 2020) was a third-generation American actor and screenwriter. He was the son of actor Keenan Wynn and the grandson of actor Ed Wynn.
He was especially active in movies in the 1960s, appearing in five movies during 1964-1965, He had a small part with his father, Keenan Wynn, in the remake of Stagecoach (1966).
From Wikipedia.

Stagecoach
1966

Pajama Party
1964 · as Pajama Boy

The Absent-Minded Professor
1961 · as Boy (uncredited)

Bikini Beach
1964 · as Surfer

The Patsy
1964 · as Band Member

Beach Blanket Bingo
1965 · as Beach Boy

California Dreaming
1979 · as Earl Fescue

Don't Go to Sleep
1982 · as Paramedic

How to Stuff a Wild Bikini
1965 · as Beach Boy