The Man Who Knew Too Much - Cast
James Stewart
as Jo McKenna
Brenda De Banzie
as Lucy Drayton
Bernard Miles
as Edward Drayton
Ralph Truman
as Buchanan
Daniel Gélin
as Louis Bernard
Mogens Wieth
as Ambassador
Alan Mowbray
as Val Parnell
Hillary Brooke
as Jan Peterson
Christopher Olsen
as Hank McKenna
Reggie Nalder
as The assassin
Noel Willman
as Woburn
Alix Talton
as Helen Parnell
Yves Brainville
as Police inspector
Patrick Aherne
as Handyman (uncredited)
Betty Baskcomb
as Edna (uncredited)
Leo Gordon
as Chauffeur (uncredited)
Louis Mercier
as French policeman (uncredited)
Anthony Warde
as (uncredited)
Gladys Holland
as Bernard's Date at Restaurant (uncredited)