 James StewartBen McKenna | Ben McKenna |
 Doris DayJo McKenna | Jo McKenna |
 Brenda De BanzieLucy Drayton | Lucy Drayton |
 Bernard MilesEdward Drayton | Edward Drayton |
 Ralph TrumanBuchanan | Buchanan |
 Daniel GélinLouis Bernard | Louis Bernard |
 Mogens WiethAmbassador | Ambassador |
 Alan MowbrayVal Parnell | Val Parnell |
 Hillary BrookeJan Peterson | Jan Peterson |
 Christopher OlsenHank McKenna | Hank McKenna |
 Reggie NalderRien | Rien |
 Richard WattisAssistant Manager | Assistant Manager |
 Noel WillmanWoburn | Woburn |
 Alix TaltonHelen Parnell | Helen Parnell |
 Yves BrainvillePolice Inspector | Police Inspector |
 Carolyn JonesCindy Fontaine | Cindy Fontaine |
 Bernard HerrmannConductor at Albert Hall (uncredited) | Conductor at Albert Hall (uncredited) |
 Patrick AherneHandyman (uncredited) | Handyman (uncredited) |
 Frank AlbertsonTaxidermist (uncredited) | Taxidermist (uncredited) |
 Frank AtkinsonEdgar (uncredited) | Edgar (uncredited) |
| JJohn BarrardTaxidermist Holding Panther (uncredited) | Taxidermist Holding Panther (uncredited) |
| MMayne LyntonGrey-Haired Taxidermist (uncredited) | Grey-Haired Taxidermist (uncredited) |
| CClifford BucktonSir Kenneth Clarke (uncredited) | Sir Kenneth Clarke (uncredited) |
| WWalter BaconChurch Member (uncredited) | Church Member (uncredited) |
| LLovyss BradleyChurch Member (uncredited) | Church Member (uncredited) |
 Nora BushChurch Member (uncredited) | Church Member (uncredited) |
| AAnn KundeChurch Member (uncredited) | Church Member (uncredited) |
| JJean RansomeChurch Member (uncredited) | Church Member (uncredited) |
 Albert CarrierFrench Policeman (uncredited) | French Policeman (uncredited) |
 Louis MercierFrench Policeman (uncredited) | French Policeman (uncredited) |
