The Mark of the Frog
B&W : Serial / Ten episodes
Directed by Arch B. Heath
Cast: Donald Reed, Margaret Morris, George Harcourt, Gus de Weil, Frank Lackteen, Tony Hughes, Frank B. Miller, Helen Greene, Ed Roseman, Sidney Paxton, Morgan Jones, William Willis
Pathé production; distributed by Pathé Exchange, Incorporated. / From the short story “The Fellowship of the Frog” by Edgar Wallace. / Ten episodes:  “The Gas Attack,” released 25 March 1928. / Standard 35mm spherical 1.33:1 format. / Silent film.
Survival status: The film is presumed lost.
Current rights holder: (unknown)
Keywords: Serials - USA: New York: New York
Listing updated: 10 November 2004.
References: Lahue-Continued pp. 265, 286; Parish-Gangster p. 10; Steinbrunner-Encyclopedia p. 408 : Website-SerSq.