John Murdoch
Inspector Frank Bumstead
Dr. Daniel P. Schreber
Emma Murdoch
Mr. Hand
Mr. Book
Mr. Wall
Det. Eddie Walenski
Karl Harris
Officer Husselbeck
May
Chief Inspector Stromboli
Hotel Manager / Vendor
Taxi Driver
Mr. Rain
Mr. Sleep
Mr. Sleep Filming Double
Mr. Quick
Stranger
Schreber's Assistant
Assistant Stranger
