The star passed away on 27 February (11) at his home in Carlsbad, California. His death has been attributed to natural causes, according to the Hollywood Reporter.
Alesia rose to fame in the 1960s with roles in movies including Riot on the Sunset Strip (1967), Bikini Beach (1964), Pajama Party (1964) and Beach Blanket Bingo (1965).
He also enjoyed appearances on TV shows such as Laverne & Shirley, Bewitched, The Odd Couple and The Flying Nun. Alesia stepped behind the camera in the 1970s to direct kids show Captain Kangaroo, which was nominated for a daytime Emmy award in 1979.
In later years he quit showbusiness and concentrated on breeding horses. He is survived by his wife Sharon and children Dore and Eden Alpert.