Susan Diol

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Susan Diol
Susan Vanita Diol

(1962-05-25) May 25, 1962 (age 56)
Years active1986–present
Spouse(s)Jerry Rapp (1991–1993)
Shaun Cassidy (1995–2003)
Andy Cadiff (2003–2010)
William Newkirk (?)

Susan Vanita Diol (born May 25, 1962 in Marquette, Michigan) is an American television actress who has played supporting roles in over forty series, including One Life to Live, Star Trek: The Next Generation, NCIS, and CSI: Crime Scene Investigation.


Diol acted in children's theatre productions in Illinois before beginning her on-screen career. She graduated from Otterbein College in Westerville, Ohio.[1]


In 1990, Diol appeared in two episodes of the TV series Night Court, playing Dan Fielding's (John Larroquette) sister Donna. On November 21, 1991, she appeared in Seinfeld episode no. 26, "The Nose Job", as Audrey (the one who needed the nose job). On November 7, 1995, Diol appeared in an episode of the TV series Wings, playing a high priced hooker, whom Joe and Brian set up with a recently dumped Antonio without realizing her career.

Diol has played several roles of interest to fans of science fiction television. She played Carmen Davila in the Star Trek: The Next Generation episode “Silicon Avatar”. She also appeared on Star Trek: Voyager as Doctor Danara Pel in the episode “Lifesigns”, as well as the episode “Resolutions”. In Quantum Leap, she played Al Calavicci's first wife, Beth, in two episodes, one of which was the series finale.

Selected filmography[edit]

Year Title Role Notes
2014 Reality Gaby
2016 Bad Twin Attorney
2016 Your Own Road Sophie
2017 Deadly Devotion Dr. Bartelini
2017 Basement Lucy
2017 Hacker Motel Attendant

Personal life[edit]

She has married four times; to Jerry Rapp (1991–1993) to Shaun Cassidy (1995–2003) to Andy Cadiff (2003–2010) and to William Newkirk (?).[2] She has a daughter with Cassidy, Juliet.[3]


Juliet Jones-Diol Cassidy was born on March 19, 1998 during Diol's marriage to Shaun Cassidy.


  1. ^ "About Me: Susan Diol". Archived from the original on 2012-01-24.
  2. ^ IMDB Biography: Susan Diol
  3. ^ Shaun Cassidy Fan Site

External links[edit]