Burt Young: Burt Young and Sylvester Stallone in the original "Rocky" film in 1976. (United Artists/Getty Images)
Burt Young: Burt Young played the role of Curly in the 1974 movie, "Chinatown." (CBS Photo Archive/CBS via Getty Images)
Burt Young: Burt Young plays the trumpet in the 1978 film, "Uncle Joe Shannon." (Michael Ochs Archives/Getty Images)
Burt Young: Burt Young appeared in the 1980 television movie, "Murder Can Hurt You!" (Walt Disney Television Photo Arc/ABC)
Burt Young: Talia Shire and Burt Young on the set of "Rocky II" in 1979. (Michael Ochs Archives/Getty Images)
Burt Young: Director Sam Peckinpah, left, with actors Burt Young and Ernest Borgnine in 1978. (Screen Archives/Getty Images)
Burt Young: Burt Young, left, with Talia Shire, Sylvester Stallone, Burgess Meredith and Carl Weathers on the set of "Rocky III" in 1981. (Ron Galella/Ron Galella Collection via Getty)
Burt Young: Burt Young and Sylvester Stallone on the set of "Rocky V" in 1985. (Sunset Boulevard/Corbis via Getty Images)
Burt Young: Burt Young, John McEnroe and Tatum O'Neal during a performance of "Cuba & His Teddy Bear" in 1986. (Ron Galella/Ron Galella Collection via Getty)
Burt Young: The former boxer played Rocky Balboa's friend in six of the "Rocky" movies. (Mireya Acierto/Getty Images)