Leo J. McMahon

The Marauders

(Burly Worker-Henchman with Torch)

Storm Over Wyoming

(Zeke - Henchman (as Leo McMahon))

The Mysterious Rider

(Cowhand Montana)

Hopalong Rides Again

(Bar 20 Cowhand)

Station West

(Rider (uncredited))

Borderland

(Henchman)

Hills of Old Wyoming

(Steve)

Texas Trail

(Army Corporal)

Renegade Trail

(Cattle-Prodder)

Heart of Arizona

(Twister)

Hopalong Cassidy Returns

(Cowhand)

North of the Rio Grande

(Pete)

The Border Legion

(Barfly)

Pride of the West

(Johnson)

Gunplay

(Henchman Zeke)

Riders of Death Valley

(Barfly)

Border Patrol

(Cowhand)

Fort Worth

(Gunman (uncredited))

Riders of Death Valley

(Stunts)

Renegade Trail

(Stunts)

The Mysterious Rider

(Stunts)

Hopalong Rides Again

(Stunts)

Hills of Old Wyoming

(Stunts)

Cassidy of Bar 20

(Stunts)

Warpath

(Stunts)

Station West

(Stunts)

They Died with Their Boots On

(Stunts)

Madron

(Story)

Madron

(Screenplay)

Dakota Lil

(Stunts)