- Was billed early in her career as Pepper January, Comedy with Spice.
- Wrote for Candid Camera.
- In 1961, worked with Chicago's Second City improv group.
- In 1988, replaced Linda Lavin on Broadway in Neil Simon's Broadway Bound.
- Won a Daytime Emmy in 1990 for Outstanding Talk Show Host for The Joan Rivers Show.
- In the 1994 biopic Tears and Laughter: The Joan and Melissa Rivers Story, she and her daughter played themselves.
- Had a lucrative side job pushing her own line of jewelry on QVC.
- Played herself in the second-season finale of Nip/Tuck.
- Collected Fabergé eggs.
- Posthumously nominated for a Grammy award for Best Spoken Word Album for her album Diary of a Mad Diva, in 2014.