[8] In addition to The Truth About Horses, Cashman has published two children's books, The Not-So-Average Monkey of Kilkea Castle and Petri's Next Things.
[9][10] Cashman was an executive producer of The Kids Are All Right and has had acting roles in many films, including Joy, Ted 2, The Golden Boy,[11] The Forger, American Hustle, Edge of Darkness, The Pink Panther 2, Serial Intentions, and the short film Descendants alongside Whoopi Goldberg.
[12] She formerly co-hosted "Open Book Club" on New England Cable News[13] and hosted "Back Story" for the CBS show "Style Boston.
"[14] Cashman is a founding partner, actor, producer, and writer for Saint Aire Productions,[15] which is currently developing Consensus, Charity Warriors, and a show based on Kilkea Castle.
[16] Cashman serves on the board of Commonwealth Shakespeare Company, the Boston Public Library's Literary Lights Committee, and Epiphany School.