Private eye Mike Shayne encounters a large amount of trouble while attempting to guard a murder witness.

Lloyd Nolan
as Michael Shayne

Lynn Bari
as Kay Bentley

Mary Beth Hughes
as Helen Carlson

Louis Jean Heydt
as Everett Jason

Edward Brophy
as George Trautwein

Don Costello
as Carl Izzard

Ben Carter
as Lender Jones, a Porter

Donald Douglas
as

Oscar O'Shea
as McGowan, a Engineer

Harry Hayden
as
CinemaSerf
"Long Distance? I need to place a call to the Denver Tribune... In Denver, yes..." Veteran P.I. “Shayne" (Lloyd Nolan) is escorting "Helen" (Mary Beth Hughes) on a train journey so she can give vital evidence that might acquit "Callaghan" of murder charges. Needless to say, she's a bit nervous and w...