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