A Scotland Yard inspector investigating the homicides asks Montague to have the nine remaining members of his regiment assemble at his estate, so as to protect them from being murdered one by one, and so that he can hopefully learn the identity of the assassin, assuming the killer may be one of them.

[1] The film's screenplay was written by Edwin Justus Mayer and adapted by Dorothy Farnum based on the short story The Green Ghost by Ben Hecht.

[3] An article in Motion Picture News, Julian voluntarily withdrew from the production stating he was not comfortable directing a sound film, and wanted to earn more experience with shorts first.

[1] Barrymore co-directed (with French director Jacques Feyder) a French-language version of the film called Le Spectre Vert (The Green Ghost) which was released in France.

Worse than the worst would-be thriller meller staged on Broadway and impressing as a pointless souffle burlesquing them all" concluding that the film was "a one hundred percent lemon.

"[9] Troy Howarth commented on Boris Karloff in the role of Abdul, the Hindu lawyer, who "takes advantage of his naturally dark complexion but ... struggles terribly with the thick Indian accent.