Lucy

Rachel York

Lucille Ball

Danny Pino

Desi Arnaz

Ann Dowd

DeDe

Madeline Zima

Teen Lucy

LaChanze

Harriett

Olivia Tennet

Lucie Arnaz (uncredited)

Rebecca Hobbs

Vivian Vance

Mervyn Smith

Grandpa Fred

Russell Newman

Bill Frawley

Zoe Carides

Lolita De Acha

Christopher Brougham

Adult Freddy

Ray Woolf

Ed Sedgwick

Peter Mochrie

Don Sharpe

Andrew Robertt

Bob Carroll Jr.

Lauchlin MacDonald

Jess Oppenheimer

Theresa Healey

Madelyn Pugh

Mark Clare

Red Skelton

Vanessa Gray

Carole Lombard

Ian Mune

Buster Keaton

Bartholomew John

Hubbell Robinson

James Bannon

Lucy's Attorney (voice)

Owen Black

Johnny

Laurie Dee

Congressman Jackson

Alex Ewan

Intern