Cast
Jon Hamm
Sid Luft (voice)
Jennifer Jason Leigh
Judy Garland (voice)
Judy Garland
Self (archive footage)
Fred Astaire
Self (archive footage)
George Cukor
(1899–1983)
Self (archive footage)
Mary Jane Gumm
Self (archive footage)
Virginia Gumm
Self (archive footage)
Lena Horne
Self (archive footage)
George Jessel
Self (archive footage)
Norman Jewison
Self (voice)
Gene Kelly
(I)
(1912–1996)
Self (archive footage)
Joey Luft
Self (archive footage)
Lorna Luft
Self (archive footage)
Dean Martin
Self (archive footage)
James Mason
Self (archive footage)
Liza Minnelli
Self (archive footage)
Martha Raye
Self (archive footage)
Mickey Rooney
Self (archive footage)
Frank Sinatra
(1915–1998)
Self (archive footage)
Barbra Streisand
Self (archive footage)
Jerry Van Dyke
Self (archive footage)
Louis B. Mayer
Self (archive photos)
John F. Kennedy
Self (archive photos)
Jack L. Warner
Self (archive photos)
Peter Lawford
Self (archive photos)
Grace Kelly
Self (archive footage/photos)
Ronald Reagan
Self (archive footage)
Freddie Fields
Self (archive photos and voice)
Major Griffin-Gracy
Self (archive voice)
Writing
Stephen Kijak
Writer
Production
John Battsek
Producer
Jessica Ludgrove
Production Executive
Editing
Claire Didier
Editor
Sound
Laura Karpman
Original Music Composer