Cause of death: stroke
Lee William Aaker (September 25, 1943 – April 1, 2021) was an American child actor, producer, carpenter, and ski instructor known for his appearance as Rusty of "B-Company" in the 1950s television program The Adventures of Rin Tin Tin. He was the final surviving cast member of the series. In 1952, Lee Aaker appeared in Desperate Search with Howard Keel and Keenan Wynn.
Source : Wikipedia
