James Stewart character Dr. Ben McKenna
Doris Day character Jo McKenna
Brenda De Banzie character Lucy Drayton
Bernard Miles character Edward Drayton
Ralph Truman character Buchanan
Daniel Gélin character Louis Bernard
Mogens Wieth character Ambassador
Alan Mowbray character Val Parnell
Hillary Brooke character Jan Peterson
Reggie Nalder character Assassin at Albert Hall
Richard Wattis character Assistant Manager
Noel Willman character Woburn
Christopher Olsen character Hank McKenna
Alix Talton character Helen Parnell
Yves Brainville character Police Inspector
Carolyn Jones character Cindy Fontaine
London Symphony Orchestra character Themselves
Bernard Herrmann character Conductor at Albert Hall
Covent Garden Chorus character Themselves
Barbara Howitt character Self - Soloist
Patrick Aherne character Handyman (uncredited)
Frank Albertson character Worker at the Taxidermist's (uncredited)
Frank Atkinson character Taxidermist (uncredited)
John Barrard character Taxidermist (uncredited)
Mayne Lynton character Taxidermist (uncredited)
Clifford Buckton character Sir Kenneth Clarke (uncredited)
Walter Bacon character Church Member (uncredited)
Lovyss Bradley character Church Member (uncredited)
Nora Bush character Church Member (uncredited)
Ann Kunde character Church Member (uncredited)
Jean Ransome character Church Member (uncredited)
Albert Carrier character French Policeman (uncredited)
Louis Mercier character French Policeman (uncredited)
Anthony Warde character French Policeman (uncredited)
Frank Baker character Royal Albert Hall Attendee (uncredited)
Oliver Cross character Royal Albert Hall Attendee (uncredited)
Sam Harris character Royal Albert Hall Attendee (uncredited)
Jimmie Horan character Royal Albert Hall Attendee (uncredited)
Carl M. Leviness character Royal Albert Hall Attendee (uncredited)
Lee Miller character Royal Albert Hall Attendee (uncredited)
Arthur Tovey character Royal Albert Hall Attendee (uncredited)
Harry Fine character Edington (uncredited)
Alex Frazer character Man (uncredited)
Wolf Frees character Aide to Prime Minister (uncredited)
Richard Marner character Aide to Prime Minister (uncredited)
Milton Frome character Guard (uncredited)
Walter Gotell character Guard (uncredited)
Leo Gordon character Chauffeur (uncredited)
Alfred Hitchcock character Man in Morocco Marketplace (uncredited)
Gladys Holland character Bernard's Date at Restaurant (uncredited)
George Howe character Ambrose Chappell Sr. (uncredited)
Richard Wordsworth character Ambrose Chappell Jr. (uncredited)
Eumenio Blanco character Arab (uncredited)
Allen Jaffe character Arab (uncredited)
Lou Krugman character Arab (uncredited)
Harold Kasket character Butler (uncredited)
Barry Keegan character Patterson (uncredited)
Lloyd Lamble character General Manager of Albert Hall (uncredited)
Lewis Martin character Detective (uncredited)
Ralph Neff character Henchman (uncredited)
John O'Malley character Uniformed Attendant (uncredited)
Eric Snowden character Special Branch Officer (uncredited)
Patrick Whyte character Special Branch Officer (uncredited)
Alma Taylor character Box Office Woman (uncredited)
Guy Verney character Footman (uncredited)
Peter Williams character Police Sergeant (uncredited)
John Marshall character Butler (uncredited)
Alexis Bobrinskoy character Foreign Prime Minister (uncredited)
