Humphrey Bogart
Rick Leland

Mary Astor
Alberta Marlow

Sydney Greenstreet
Dr. Lorenz

Charles Halton
A.V. Smith

Victor Sen Yung
Joe Totsuiko

Roland Got
Sugi

Lee Tung Foo
Sam Wing On

Frank Wilcox
Capt. Morrison

Paul Stanton
Col. Hart

Lester Matthews
Canadian Major

John Hamilton
Court-Martial President

Tom Stevenson
Unidentified Man

Roland Drew
Capt. Harkness

Monte Blue
Dan Morton

Chester Gan
Capt. Higoto

Richard Loo
First Officer Miyuma

Keye Luke
Steamship Office Clerk

Kam Tong
T. Oki

Spencer Chan
Chief Engineer Mitsuko

Rudy Robles
A Filipino Assassin