• 
  Glenn Ford

  David Blake
• 
  John Hodiak

  District Attorney John J. 'Jack' Armstrong
• 
  Frank Mills

  Courtroom extra
• 
  Richard Gaines

  Dr. Johannes Albert Schacter
• 
  Barry Kelley

  Jim Brackett
• 
  Rafael Campos

  Angel Chavez
• 
  Richard Tyler

  Johnson
• 
  Percy Helton

  Youval

• 
  Whit Bissell

  Sam Wiltse
• 
  Grandon Rhodes

  Prof. Terry Bliss
• 
  Walter Merrill

  Workman
• 
  Juano Hernandez

  Judge Theodore 'Ted' Motley
• 
  John Hoyt

  Ralph Castillo
• 
  Frank Wilcox

  Lawyer #2
• 
  Bert Stevens

  Man in Courthouse Corridor

• 
  James Todd

  Minister at Funeral
• 
  Charles Tannen

  aprod
• 
  Sheb Wooley

  Butteridge
• 
  Robert Middleton

  Sheriff A.A. 'Fats' Sanders
• 
  Eddie Baker

  Electrician
• 
  Bobby Barber

  Defense fund worker
• 
  Michael Dugan

  Pine
• 
  John Maxwell

  Benedict
• 
  Hal K. Dawson

  Nervous Man
• 
  Katy Jurado

  Mrs. Consuela Chavez
• 
  Mort Mills

  Reporter
• 
  Harry Strang

  Courtroom Spectator
• 
  Elisha Cook Jr.

  Finn - Process Server
• 
  Harry Wilson

  Courtroom extra
• 
  Joe Flynn

  Speakers Bureau
• 
  Leonard Freeman

  Reporter
• 
  Dorothy McGuire

  Abbe Nyle
• 
  Dorothy Green (II)

  Mrs. Mary Ackerman