Creighton Hale
Du Bois - Fingerprint Man
Harry Strang
Hennessey - Markham's Assistant
Herbert Anderson
First Reporter (uncredited)
Henry Blair
Hans Snauble (uncredited)
Egon Brecher
Austrian Judge (uncredited)
Yakima Canutt
Sorrento Sailor (uncredited)
Nat Carr
2nd Photographer (uncredited)
Glen Cavender
Train Porter Asked to Send Telegram (uncredited)
Loia Cheaney
Markham's Secretary (uncredited)
Frederick Giermann
Austrian Sergeant (uncredited)
Eddie Graham
Coroner's Assistant (uncredited)
John Harron
Third Reporter (uncredited)
William Hopper
Clerk at Hotel Nino in Chicago (uncredited)
Marion Lessing
Mrs. Fritz Snauble (uncredited)
Rolf Lindau
Aeronautics Department Sentry (uncredited)
George Reeves
Steamship Clerk (uncredited)
Cliff Saum
Investigator Snitken (uncredited)
Hans Schumm
Nazi Officer at Dock (uncredited)
Frank Wilcox
2nd Reporter (uncredited)
Jack Wise
1st Photographer (uncredited)
Maris Wrixon
Long-Distance Operator (uncredited)
Henry Zynda
Austrian Lieutenant (uncredited)
