Marlene Dietrich

Marie Kolverer aka X-27

Victor McLaglen

Colonel Kranau

Gustav von Seyffertitz

Secret Service Chief

Warner Oland

Colonel von Hindau

Lew Cody

Colonel Kovrin

Barry Norton

Young Lieutenant

Max Barwyn

Colonel Kranau's Aide

Blackie

Cat

B.F. Blinn

Gambler with Glasses

Allan Cavan

Secret Service Agent in Casino

Davison Clark

Court-Martial Officer

Alexis Davidoff

Officer

William B. Davidson

Second Firing Squad Officer

Walter Downing

Old Officer

Geraldine Dvorak

Casino Patron

Adolph Faylauer

Gambler

Joseph W. Girard

Russian Officer

Al Hart

Monk