Louis Hayward

Stephen Byrne

Jane Wyatt

Marjorie Byrne

Lee Bowman

John Byrne

Dorothy Patrick

Emily Gaunt

Ann Shoemaker

Mrs. Ambrose - Stephen's houseeper

Sarah Padden

Mrs. Beach - Stephen's elderly cook

Peter Brocco

Harry - coroner chairing inquest

Howland Chamberlain

D.A.-prosecutor at inquest

Will Wright

Inspector Sarten

Kathleen Freeman

Effie Ferguson - Party Guest

Margaret Seddon

Mrs. Whittaker - Party Guest

Alex Gerry

Miller, bookseller

Carl Switzer

Walter Herbert, office boy