Liberace
— Anthony Warrin
Joanne Dru
— Marion Moore
Dorothy Malone
— Linda Curtis
Alex Nicol
— Howard Ferguson
William Demarest
— Sam Dunne
Lori Nelson
— Sarah Cosgrove
Lurene Tuttle
— Mrs. McGinley
Richard Eyer
— Alvie Hunt
James Bell
— Grandpa Hunt
Monya Andre
— Audience Member (uncredited)
Jean Andren
— Woman at Nightclub (uncredited)
George Boyce
— Charity Guest (uncredited)
Barbara Brown
— Mrs. Cosgrove (uncredited)
Steve Carruthers
— Concert Attendee (uncredited)
Beulah Christian
— Concert Attendee (uncredited)
James Conaty
— Concert Attendee (uncredited)
Paul Cristo
— Concert Attendee (uncredited)
Lillian Culver
— Plump Woman (uncredited)
Jack Daly
— Melvyn - Museum Guard (uncredited)
Roy Damron
— Concert Attendee (uncredited)
Don Dillaway
— Man at Carnegie Hall (uncredited)
Darryl Duran
— Young Boy at Concert (uncredited)
Franklyn Farnum
— Concert Attendee (uncredited)
Charles Fogel
— Concert Attendee (uncredited)
Curt Furberg
— Charity Guest (uncredited)
Joe Gilbert
— Nightclub Patron (uncredited)
James Gonzalez
— Nightclub Patron (uncredited)
Herschel Graham
— Concert Attendee (uncredited)
Stuart Hall
— Concert Attendee (uncredited)
Ethyl May Halls
— Woman at Nightclub (uncredited)