Julia Swayne Gordon
(Nelga Petrona - The Tigress)
Bobby Connelly
(Ivan Petrona - Nelga's Adopted Son (Age 7))
Garry McGarry
(Ivan Petrona - Nelga's Adopted Son (Age 20))
Zena Keefe
(Judith - Harmon's Adopted Daughter)
Harry English
(Judge Thomas Harmon)
Leo Delaney
(Jim Harrigan - Detective)
George Stevens
(Tim Rooney - Harrigan's Assistant)
Katherine Franek
(Mrs. Lelah Renton - Housekeeper)
Frank Holland
(Osip Petrona - Husband of the Tigress)