Louis Hayward as Stephen Byrne

Jane Wyatt as Marjorie Byrne

Lee Bowman as John Byrne

Dorothy Patrick as Emily Gaunt

Ann Shoemaker as Mrs. Ambrose - Stephen's houseeper

Jody Gilbert as Flora Bantam - John's housekeeper

Sarah Padden as Mrs. Beach - Stephen's elderly cook

Peter Brocco as Harry - coroner chairing inquest

Howland Chamberlain as D.A.-prosecutor at inquest

Leslie Kimmell as Mr. Gaunt

Effie Laird as Mrs. Gaunt

Will Wright as Inspector Sarten

Kathleen Freeman as Effie Ferguson - Party Guest

Margaret Seddon as Mrs. Whittaker - Party Guest

Alex Gerry as Miller, bookseller

Carl Switzer as Walter Herbert, office boy

George Taylor as Coroner's Court Clerk