He began acting at the age of 14 when he appeared in a cameo role in a WPA Theater project.
[4] He also appeared in television episodes of Highway Patrol, I Led Three Lives, and Bewitched.
In 1953 he joined KFAC (1330 AM) and KFAC-FM (92.3) in Los Angeles, where he remained until 1987 when the station changed formats and fired all of its on-air talent.
[3] In 1991 he returned to radio at KKGO as a staff announcer and host of Sunday Evening at the Opera.
[3] Princi died on May 1, 1992, at Saint Joseph Medical Center in Burbank, California, due to complications of cancer.