Violence

Magazine writer Ann Mason infiltrates the United Defenders, a public service organization which is actually a front for racketeers. But a case of amnesia threatens to blow her cover.

• 
  Jack Bernhard

• 
  Nancy Coleman
  Ann Dwire, alias Ann Mason
• 
  Michael O'Shea
  Steve Fuller
• 
  Sheldon Leonard
  Fred Stalk
• 
  Peter Whitney
  Joker
• 
  Emory Parnell
  True Dawson
• 
  Pierre Watkin
  Ralph Borden
• 
  Frank Reicher
  Pop, apartment concierge
• 
  Cay Forester
  Sally Donahue (as Cay Forester)
• 
  John Hamilton
  Dr. Chalmers
• 
  Richard Irving
  Protest Rally Orator
• 
  Carole Donne
  Beth Taffel, Borden's secretary
• 
  Jimmy Clark
  Joe Donahue
• 
  William Gould
  Mr. X