Helen Mirren as Ayn Rand

Eric Stoltz as Nathaniel Branden

Julie Delpy as Barbara Branden

Peter Fonda as Frank O'Connor

Sybil Darrow as Caroline

Tom McCamus as Richard

Don McKellar as Alfred

David Ferry as Interviewer

Donald Carrier as David

Hamish McEwan as Henry

Elyssa Livergant as Naomi

Christopher Marren as Aaron

Jennifer Gould as Janet

Robert Thomas as Security Guard

John Lefebvre as Funeral Director

Katherine Trowell as Woman at Funeral

Stan Coles as Judge

Rene Lemieux as Maitre D'

D'Arcy Smith as Young Man

Andrew Dolha as Wise-ass Man

Tomas Chovanec as Student #1

Daniel Enright as Waiter

Patrick Garrow as Student #2

Aviva Armour-Ostroff as Student #3

Tara Meyer as Student #4

Sergio Di Zio as Student #5

Domenico Fiore as Businessman

Hakan Coskuner as Florist (uncredited)

Wayne Curnew as Funeral Attendant (uncredited)

Thomas Lundy as Lecture Hall Audience Member (uncredited)