Julie Andrews (Gertrude Lawrence)
Richard Crenna (Richard Aldrich)
Michael Craig (Sir Anthony Spencer)
Daniel Massey (Noel Coward)
Robert Reed (Charles Fraser)
Peter Church (Newsreel Narrator)
Elizabeth St. Clair (Jeannie Banks)
Roy Scheider (No credit)
Matilda Calnan (Dorothy)
Jeanette Landis (Eph)
Anna Lee (Hostess)
Dinah Anne Rogers (Molly)
Harvey Jason (Bert)
Damian London (Jerry Paul)
Don Crichton (Gertrude's "Limehouse Blues" Dance Partner)
Conrad Bain (Salesman at Cartier's)
Richard Angarola (Cesare)
Richard Karlan (David Holtzman)
Lynley Laurence (Billie Carleton)
Garrett Lewis (Jack Buchanan)
Jenny Agutter (Pamela)
Anthony Eisley (Ben Mitchell)
Jock Livingston (Alexander Woollcott)
J. Pat O'Malley (Dan)
Lester Matthews (Lord Chamberlain)
Bernard Fox (Assistant To Lord Chamberlain)
Murray Matheson (Bankruptcy Judge)
Robin Hughes (Hyde Park Speaker)
Barbara Sandland (Mavis)
Ellen Plasschaert (Moo)
Ann Hubbell (Beryl)
Bruce Forsyth (Arthur Lawrence)
Beryl Reid (Rose)
John Collin (Jack Roper)
Alan Oppenheimer (Andre Charlot)