Doctor Paul Gironda announces he has discovered a formula for the manufacture of synthetic gold. The International Research Foundation agrees to financially help him develop his formula. Jus... Read allDoctor Paul Gironda announces he has discovered a formula for the manufacture of synthetic gold. The International Research Foundation agrees to financially help him develop his formula. Just before the Board of Directors arrive at Gironda's laboratory to witness his achievement,... Read allDoctor Paul Gironda announces he has discovered a formula for the manufacture of synthetic gold. The International Research Foundation agrees to financially help him develop his formula. Just before the Board of Directors arrive at Gironda's laboratory to witness his achievement, he is heard screaming, and mysteriously disappears before help arrives. Newspaper reporte... Read all
Jack Mulhall
- Craig Kennedy
- (archive footage)
Rex Lease
- Walter Jameson
- (archive footage)
Marion Shilling
- Verna Gironda
- (archive footage)
Mae Busch
- Mrs. Paul Gironda
- (archive footage)
Ruth Mix
- Shirley McMillan
- (archive footage)
William Farnum
- Insp. Gordon Gaunt
- (archive footage)
Robert Frazer
- Prof. Paul Gironda
- (archive footage)
Robert Walker
- Joe Mitchell
- (archive footage)
Jon Hall
- Frank Hobart
- (archive footage)
- (as Charles Locher)
Gaston Glass
- Dr. Louis Bouchard
- (archive footage)
Bryant Washburn
- Dr. Denton
- (archive footage)
Franklyn Farnum
- Nicky,
- (archive footage)
Mahlon Hamilton
- Montgomery
- (archive footage)
Gordon Griffith
- Blackie Humphries
- (archive footage)
- (as Gordon S. Griffith)
- …
Frank Leigh
- Wickham - the Gironda Butler
- (archive footage)
Henry Hall
- Prison Warden
- (archive footage)
Yakima Canutt
- Number 8
- (archive footage)
Joseph W. Girard
- Cromwell
- (archive footage)
- (as Joe Girard)
