Bonni Allen, Talent Rep, Casting Director and Manager, Dies

She repped Jason Alexander when he landed the role of George Costanza on “Seinfeld.”

Bonni Allen, a talent representative, casting director and personal manager, died Feb. 20 of complications from cancer in Los Angeles, her business partner announced Monday. She was believed to be in her early 50s.

A native New Yorker, she ran Bonni Allen Talent in her home town and represented such actors as Jason Alexander, Nancy Opel and Teresa Parente. When Alexander was cast as George Costanza on Seinfeld in the late 1980s, Allen moved to Los Angeles.

She then became a casting director, with credits including the films La Cucaracha (1998) starring Eric Roberts and One Hell of a Guy (2000) with Rob Lowe. Allen also worked as a creative executive at Studio M/Weberworks, a network that launched in 2000 and was available on UHF stations and some cable systems. 

Most recently, Allen served as a personal manager and partnered with Marrissa O’Leary at Allen + O’Leary Management, where clients included Lauralee Bell, Greg Roman, Jonathan Fraser and Nick Baillie

A memorial is planned for Saturday. Details: (310) 576-0800.