Paul Adelstein (born April 29, 1969) is an American actor and writer, known for the role of Agent Paul Kellerman in the Fox television series Prison Break and his role as pediatrician Cooper Freedman in the ABC medical drama Private Practice. In addition to supporting roles in films such as Intolerable Cruelty and Memoirs of a Geisha, he is also known for his recurring role as Leo Bergen on ABC's Scandal and as Jake Novak in the Bravo television series Girlfriends' Guide to Divorce. He also played David Sweetzer on the short-lived NBC comedy I Feel Bad.

Adelstein co-created the dark comedy TV series Imposters, which aired on Bravo and ran for two 10-episode seasons from 2017 and 2018; he is credited as a writer on 6 episodes. He also played the role of Shelley Cohen on that show.

Early life
Adelstein was born in Chicago, Illinois, to a Reform Jewish family. Prior to his professional acting career, Adelstein attended the progressive Francis W. Parker School, then Bowdoin College where he graduated Phi Beta Kappa and summa cum laude with a degree in English. He began his career in theatre, working with New Crime Productions, a company founded by John Cusack, and later with the Steppenwolf Theatre Company.