Harry Shannon
as Steve Finnerty
Robert Preston
as Det. Lt. Michael Crane
Frank Ferguson
as Albert Baker
Harry Hayden
as Man in restaurant (uncredited)
Chester Clute
as Rooming House Manager
Charles Arnt
as Will Gates
Yvonne De Carlo
as Showgirl at Neptune Club (uncredited)
Alan Ladd
as Philip Raven
Roger Imhof
as Sen. Burnett
Clem Bevans
as Scissor Grinder
Tully Marshall
as Alvin Brewster
Veronica Lake
as Ellen Graham
Laird Cregar
as Willard Gates
Mikhail Rasumny
as Slukey
Pamela Blake
as Annie (hotel maid)
Bernadene Hayes
as Albert Baker's Secretary
Jim Farley
as Night Watchman
Virita Campbell
as Little Girl
Olin Howlin
as Blair Fletcher
Victor Kilian
as Drew (Brewster's nurse)
Emmett Vogan
as Sgt. Carlisle (uncredited)
Virginia Farmer
as Maid in dress shop (uncredited)