Lucy goes to hip London to experience all the current fads.
| Actor | Role |
|---|---|
 Lucille BallLucy Carmichael | Lucy Carmichael |
 Anthony NewleyAnthony Armstrong Fitz-Faversham | Anthony Armstrong Fitz-Faversham |
 Wilfrid Hyde-WhiteHawkins | Hawkins |
 James Robertson JusticeHead of Madame Tussauds' Guides | Head of Madame Tussauds' Guides |
 Peter WyngardePeter Wyngarde | Peter Wyngarde |
 Dave ClarkDave Clark | Dave Clark |
| MMike SmithMike Smith | Mike Smith |
| LLenny DavidsonLenny Davidson | Lenny Davidson |
| RRick HuxleyRick Huxley | Rick Huxley |
| DDenis PaytonDenis Payton | Denis Payton |
 John StoneCustoms Officer | Customs Officer |
 Frank ThorntonPassport Officer | Passport Officer |
| EEdna MorrisDresser | Dresser |
| JJoby BlanshardCook | Cook |
| JJenny CounsellServant Girl #1 | Servant Girl #1 |
| JJennie PaulServant Girl #2 | Servant Girl #2 |
| DDenis GilmoreTeenager-Pop | Teenager-Pop |
 TwiggyTwiggy (uncredited) | Twiggy (uncredited) |