Cast
Josephine Whittell
Nurse Nelson
William Hopper
Announcer
Mary Russell
Nurse (uncredited)
Carleton Young
Radio Announcer (uncredited)
Robert Livingston
Dr. Lawrence Baxter
Matty Fain
Burke
Willard Robertson
Inspector 'Mac' McDonald
Pierre Watkin
Kennedy
Frank Austin
Henchman (uncredited)
Monte Montague
Henchman (uncredited)
William H. O'Brien
Nightclub Waiter (uncredited)
Grace Bradley
Jean Sterling
William Newell
Andrews
Wilbur Mack
F. J. Thompson
John Holland
Druggist (uncredited)
Smiley Burnette
Jimmy
Granville Bates
Prof. Rexford Sterling
Byron Foulger
Pete Andorka