An Alien Enemy

Louise Glaum

Neysa von Igel / Frau Meyer

Mary Jane Irving

Fräulein Bertha Meyer

Thurston Hall

David J. Hale

Albert Allardt

Emil Koenig

Charles Hammond

Adolph Schmidt

Jay Morley

Mayor Samuel J. Putnam

Roy Laidlaw

Lewis Meyer

Joseph J. Dowling

Baron von Mecklin

Clifford Alexander

Wireless Operator