Trivia

Is a second-generation "Star Trek" guest star (her mother had guest-starred on an episode of the original series).

Daughter of Julie Cobb and Christopher Morgan.

Both of her grandfathers, Lee J. Cobb and Harry Morgan, appeared in La Conquête de l'Ouest (1962).

She is the fourth generation in her family to choose the acting profession.

Ex-stepdaughter of James Cromwell.

Of her four grandparents, she only got to know two of them. Her maternal grandfather, Lee J. Cobb died February 11, 1976, approximately 7 1/2 years before she was born September 12, 1983. Her paternal grandmother, Eileen Ann Detchon Morgan, died February 4, 1985, just 17 months after she was born. On the other hand, both her paternal grandfather, Harry Morgan, and her maternal grandmother, Helen Beverley, both lived until 2011, approximately 28 years after she was born. Her paternal step-grandmother, Barbara Bushman, is still living as of March 2022.

Granddaughter of Helen Beverley, the divorced first wife of Lee J. Cobb.

Graduated from UCLA in 2008, and attended New York University School of Law from 2009 to 2013, earning a JD and a Master of Laws (LL.M.).

Rosemary was named Chief Compliance Officer of Brighthouse Financial in 2023.

Studied under Milton Katselas at the famous Beverly Hills Playhouse.

Younger half-sister of Jeremy Morgan and Terence N. Morgan.