Herr Lieutenant Kurt von Schnieditz
Virginie Harbrok
Philip Landicutt
Margaret Landicutt
“Uncle Jemmy” Landicutt
Hoffman, the German gardener
“Lefty”
Albert Mullins
Captain Thomas Sterrett (as Captain Thomas Sterrett)
Eugene Harbrok, a Belgium scout
Madam Harbrok
Pierre Harbrok, their son
Emanuel Müller
Commanding officer of the Marine Sector
Marianne Marnholm
Lieut. Terence O’Shaughnessey