The Vanishing Legion

A mysterious master criminal known as The Voice plots with his gang to sabotage the Milesburg Oil Company, but the rightful heir has a secret army of her own to protect her rights.

• 
  B. Reeves Eason
• 
  Ford Beebe

• 
  Harry Carey
  'Happy' Cardigan
• 
  Edwina Booth
  Caroline Hall
• 
  William Desmond
  Milesburg Sheriff
• 
  Frankie Darro
  Jimmie Williams
• 
  Philo McCullough
  Stevens
• 
  Yakima Canutt
  Yak
• 
  Joe Bonomo
  Stuffy
• 
  Tom Dugan
  Oil Co. Director Warren
• 
  Lafe McKee
  T.J. Hornbeck
• 
  Bob Kortman
  Marno
• 
  Edward Hearn
  Jed Williams
• 
  Paul Weigel
  Oil Co. Director Larribee
• 
  Frank Brownlee
  Oil Co. Director Bishop
• 
  Olive Carey
  Nurse Lewis
• 
  Al Taylor
  Sheriff of Slocum / Deputy Thompson / Henchman Dave / Horseman
• 
  Dick Dickinson
  Rawlins
• 
  Pete Morrison
  Pete Morrison
• 
  Dick Hatton
  James "Dodger" Valenti
• 
  Boris Karloff
  The Voice (voice)
• 
  Bob Walker
  Oil Co. Director Allen