LOS ANGELES , California ( CNN ) -- The son of actor Michael Landon was found dead in his West Hollywood , California , home Monday afternoon , according to investigators . There was `` no indication of foul play '' in the death of Mark Landon , 60 , according to the report from the Los Angeles County Sheriff 's Department . Mark Landon was the son of Dodie Frasier , who married Michael Landon in 1956 . The actor adopted the child and his younger brother . Mark Landon had a few acting credits , playing small roles in three movies , according to the Internet Movie Database . He played a cab driver in `` Us , '' a film his father directed and starred in just before his death from cancer in 1991 . Michael Landon was once one of Hollywood 's biggest TV stars . He is best known for his 14 years as `` Little Joe '' Cartwright in TV 's long-running `` Bonanza , '' and later as Charles Ingalls in nine seasons of `` Little House on the Prairie . '' CNN 's Jack Hannah contributed to this report .
`` Bonanza '' star 's son Mark Landon found dead in West Hollywood home . Officials say no indication of foul play in 60-year-old 's death . Mark Landon had a few acting credits , playing small roles in three movies .