Robert Rockwell

Bill Jones

Hanna Axmann-Rezzori

Nina Petrovka (as Hanne Axman)

Betty Lou Gerson

Greta Bloch, alias Yvonne Kraus

Shepard Menken

Henry Solomon

Lester Luther

Earl Partridge

William Lally

Jack Tyler (as William J. Lally)

Lloyd G. Davies

Inspector O'Toole

Norman Budd

Reachi