Rachel York

Character: Lucille Ball

Danny Pino

Character: Desi Arnaz

Ann Dowd

Character: DeDe

Madeline Zima

Character: Teen Lucy

LaChanze

Character: Harriett

Olivia Tennet

Character: Lucie Arnaz (uncredited)

Rebecca Hobbs

Character: Vivian Vance

Mervyn Smith

Character: Grandpa Fred

Russell Newman

Character: Bill Frawley

Zoe Carides

Character: Lolita De Acha

Christopher Brougham

Character: Adult Freddy

Ray Woolf

Character: Ed Sedgwick

Peter Mochrie

Character: Don Sharpe

Andrew Robertt

Character: Bob Carroll Jr.

Lauchlin MacDonald

Character: Jess Oppenheimer

Theresa Healey

Character: Madelyn Pugh

Mark Clare

Character: Red Skelton

Vanessa Gray

Character: Carole Lombard

Ian Mune

Character: Buster Keaton

Bartholomew John

Character: Hubbell Robinson

James Bannon

Character: Lucy's Attorney (voice)

Owen Black

Character: Johnny

Laurie Dee

Character: Congressman Jackson

Alex Ewan

Character: Intern

Liddy Holloway

Character: Mildred

Paula Keenan

Character: Sylvia Hahlo

Charles Pierard

Character: Alex Hall

Peter Rowley

Character: Mark Daniels

Joy Watson

Character: Grandmother

Priscilla Bonnet

Character: Young Bette Davis

David Britz

Character: Dancer

Lori Dungey

Character: Italian Grape Crusher

Gregor McLennan

Character: George Mandicos

Daniel Pujol

Character: Doorman

Angela Shirley

Character: Deborah

Olivia Tennet

Character: Lucie Arnaz

Charles Unwin

Character: Clark Gable