Hard Rock Harrigan 1935

Synopsis:

The plot revolves around a rivalry between sand-hog "Hard Rock" Harrigan (O'Brien) and his foreman Black Jack Riley. At the center of their conflict is their mutual affection for heroine "Andy" Anderson (Irene Hervey). But when the chips are down and Riley is trapped in a tunnel cave-in, it is Harrigan who comes to the rescue.

Directed by: David Howard
Written by: Daniel Jarrett & Raymond L. Schrock
Runtime: 60 minutes
Tagline: YOU'VE SEEN HIM FACE DANGER BEFORE---but never like this!
Cast:
George O’Brien
George O’Brien
Tim 'Hard Rock' Harrigan 
Irene Hervey
Irene Hervey
'Andy' Anderson 
Fred Kohler
Fred Kohler
Black Jack Riley 
Dean Benton
Dean Benton
Michael McGinnis 
Frank Rice
Frank Rice
McClintock, Superindendant