Sincerely Yours

Liberace

as Anthony Warrin

Joanne Dru

as Marion Moore

Dorothy Malone

as Linda Curtis

Alex Nicol

as Howard Ferguson

William Demarest

as Sam Dunne

Lori Nelson

as Sarah Cosgrove

Lurene Tuttle

as Mrs. McGinley

Richard Eyer

as Alvie Hunt

James Bell

as Grandpa Hunt

Herbert Heyes

as J. R. Aldrich

Barbara Brown

as Mrs. Cosgrove (uncredited)

Edward Platt

as Dr. Eubank (uncredited)

Ian Wolfe

as Mr. Rojeck (uncredited)

Guy Williams

as Dick Cosgrove (uncredited)

Isabel Randolph

as Mrs. Poindexter

Leoda Richards

as Guest at Charity Carnival

Tito Vuolo

as Italian Restaurant Proprietor (uncredited)