Dennis Price
— Rudi Kleiber
Gisèle Préville
— Maria Zeiter
Patricia Dainton
— Grete
Anthony Nicholls
— Prince Reinaldt
Grey Blake
— Franzi
Muriel George
— Hatti
Olive Gilbert
— Frau Kurt
Martin Ross
— Tenor
Gerald Case
— Rudi's Secretary
Carl Jaffe
— Headwaiter
Jeremy Spenser
— Maria's Son
Martin Boddey
— Minor Role (uncredited)
Moyra Fraser
— Minor Role (uncredited)
Laurence Harvey
— Minor Role (uncredited)
Arthur Lawrence
— Minor Role (uncredited)
Jean Lodge
— Minor Role (uncredited)