Dial M for Murder— Full Cast

Ray Milland

as Tony Wendice

Jim Conroy

as Ruff Ruffman

Grace Kelly

as Margot Wendice

Robert Cummings

as Mark Halliday

John Williams

as Chief Inspector Hubbard

Anthony Dawson

as Charles Swann

Leo Britt

as Storyteller

Patrick Allen

as Detective Pearson

George Leigh

as Detective Williams

George Alderson

as First Detective

Robin Hughes

as Police Sergeant O'Brien

Jack Cunningham

as Bobby (uncredited)

Guy Doleman

as Detective (uncredited)

Bess Flowers

as Woman Exiting Ship (uncredited)

Sam Harris

as Man in Phone Booth (uncredited)

Harold Miller

as Men's Club Party Member (uncredited)