Bob Custer. Bob Custer was 31 in O'Malley Rides Alone as 'Sergeant Kirk O'Malley'.
Phyllis Bainbridge. Phyllis Bainbridge was >> in O'Malley Rides Alone as 'Joyce McGregor'.
Martin Cichy. Martin Cichy was 37 in O'Malley Rides Alone as 'Sled Sassoon - aka Brag'.
J.P. McGowan. J.P. McGowan was 49 in O'Malley Rides Alone as 'Angus McGregor'.
Bud Osborne. Bud Osborne was 45 in O'Malley Rides Alone as 'Bull - Henchman'.
Cliff Lyons. Cliff Lyons was 28 in O'Malley Rides Alone as 'Henchman'.
Perry Murdock. Perry Murdock was 28 in O'Malley Rides Alone as 'Trooper Dan Calhoun'.
Slim Whitaker. Slim Whitaker was 36 in O'Malley Rides Alone as 'Ullik'.Reginald Lyons. Reginald Lyons was 38 in O'Malley Rides Alone as 'Director of Photography'Hap Depew. Hap Depew was 42 in O'Malley Rides Alone as 'Director of Photography'J.P. McGowan. J.P. McGowan was 49 in O'Malley Rides Alone as 'Producer, Director'
Jacques Jaccard. Jacques Jaccard was 43 in O'Malley Rides Alone as 'Scenario Writer'