Glenn Close as Sunny von Bülow / Narrator

Jeremy Irons as Claus von Bülow

Ron Silver as Alan Dershowitz

Annabella Sciorra as Sarah

Uta Hagen as Maria

Fisher Stevens as David Marriott

Jack Gilpin as Peter MacIntosh

Christine Baranski as Andrea Reynolds

Stephen Mailer as Elon Dershowitz

Christine Dunford as Ellen

Felicity Huffman as Minnie

Mano Singh as Raj

Johann Carlo as Nancy

Keith Reddin as Dobbs

Alan Pottinger as Chuck

Mitchell Whitfield as Curly

Tom Wright as Jack

Gordon Joseph Weiss as Tom Berman

Michael Lord as Eli

LisaGay Hamilton as Mary

Bill Camp as Bill

JD Cullum as John

Jad Mager as Alexander von Auersberg

Sarah Fearon as Ala von Auersberg

Kristi Hundt as Older Cosima

Kara Emerson as Young Cosima

Michael Wilkes as Steve Famiglietti

Thomas Dorff as Brillhoffer

Bruno Eyron as Alfie von Auersberg

Bernt Kuhlmann as Alfie's Friend

Redman Maxfield as Dr. Paultees

Frederick Neumann as Judge

Conrad McLaren as Sheriff

Edwin McDonough as Bailiff

Brian Delate as Jury Foreman

Dess Philpot as Emergency Room Doctor

Steven Black as Maitre D'

Kender Jones as Party Goer #1

Haes Hill as Party Goer #2

Dan Rea as Newscaster

Leo Leyden as Englishman

Malachy McCourt as Englishman

Jessika Cardinahl as Dinner Guest

Ericka Klein as Dinner Guest

Joko Zohrer as Dinner Guest

Julie Hagerty as Alexandra Isles (uncredited)

Heather Rose Dominic as Maggie (uncredited)

Mary Ann Hannon as RI Supreme Court Judge Florence Murray (uncredited)

Ronald Rand as Assistant DA (uncredited)

Larry Sherman as Atmosphere (uncredited)

Constance Shulman as Pharmacist (uncredited)

Frank Stellato as Court Stenographer (uncredited)