This allowed Nardini to land other roles as guest leads[citation needed] on other television shows such as The Lieutenant, My Three Sons and Bewitched.

Nardini signed a seven-year contract with Columbia Studios,[citation needed] which produced his film debut Cat Ballou in 1965.

Nardini was cast as Jackson Two Bears, a Native American ranch hand for Cat Ballou's father.

[citation needed] In the films Cat Ballou and Africa: Texas Style, Nardini played a Native American character.

In 1966, Nardini co-starred in a pilot about a World War II-era historical novel written by James Jones called From Here to Eternity.