Générique complet
The Tell-Tale Step
Pat O'Malley
Hugh Graham
Shirley Mason
Lucia
GC
Guido Colucci
Giovanni Pallazzi
CS
Charles Sutton
Luigi
RH
Robert Huggins
Pietro
NG
Nellie Grant
Rosetta
Bigelow Cooper
Dimitri
Sally Crute
Beverly Winton
Jessie Stevens
Hugh's Mother
Leonora von Ottinger
Mrs. Arbuthnot
GM
Grace Morrissey
Miss Stryver
Robert Brower
Doctor Oppenheim