Herman J. Mankiewicz Movies
- 1929

The Dummy
The Dummy81929HD
The title character is office-boy Barney. Pretending to be a deaf-mute, Barney tries to trump his detective boss Walter Babbing by tracking down the...
![The Dummy]()
- 1928

Avalanche
Avalanche101928HD
An otherwise honest gambler, played by Jack Holt, begins to cheat at cards in order to put his son John Darrow through mining school in this lavish...
![Avalanche]()


