Tim Donnelly (Chet Kelly on "Emergency!" 1972 - 1977) has died at 77 years old. Also played "Captain America" in a "Dragnet" episode in March of 1969. Tim Donnelly - IMDb Wikipedia does not have any information though. Saw this on Facebook on the "Emergency!" page.
British actor John Challis (BBC's "Only Fools And Horses" 1981 - 2003) has died at 79 years old. John debuted in the 2nd episode in September of 1981 which also former British actress Caroline Ellis ("The Bugaloos") makes an appearance at a nightclub!! John Challis - Wikipedia