Carradine's first television appearance was in 1971, on the classic western series, Bonanza. He also appeared on his brother David's series, Kung Fu, as Sunny Jim, the mute companion of Serenity Johnson, played by his Father, John, in an episode called Dark Angel (1972). In 1979, he was alongside Melissa Sue Anderson in Survival of Dana. In 1984, Carradine played Robert Cohn in the television mini-series version of Ernest Hemingway's The Sun Also Rises. He appeared in the 1987 HBO mini-series, Conspiracy: The Trial of the Chicago 8. He was also a guest star in an episode of Law & Order: Criminal Intent entitled Gone (2005, Season 4, Episode 11). He also took part in Jane Doe, a TV series directed by James A. Contner, in 2007.