In 1958 New York Diane Arbus is a housewife and mother who works as an assistant to her husband, a photographer employed by her wealthy parents. Respectable though her life is, she cannot help but feel uncomfortable in her privileged world. One night, a new neighbor catches Diane's eye, and the enigmatic man inspires her to set forth on the path to discovering her own artistry.
Nicole Kidman
as Diane Arbus
Robert Downey Jr.
as Lionel Sweeney
Ty Burrell
as Allan Arbus
Harris Yulin
as David Nemerov
Jane Alexander
as Gertrude Nemerov
Emmy Clarke
as Grace Arbus
Genevieve McCarthy
as Sophie Arbus
Boris McGiver
as Jack Henry
Marceline Hugot
as Tippa Henry
Mary Duffy
as Althea
Emily Bergl
as Allan's New Assistant
Gwendolyn Bucci
as Dominatrix
