• 
  Peter Hoar

  regizor

• 
  Dominic West

  Howard Florey
• 
  Denis Lawson

  Professor Alexander Fleming
• 
  Pip Torrens

  cranic radio
• 
  Stephen Boxer

  Dr. Arthur Gardner
• 
  Peter O'Connor

  Mr. Cox
• 
  Amanda Douge

  Ethel Florey
• 
  Oliver Dimsdale

  Ernst Chain

• 
  Sarah Brewerton

  montaj
• 
  Christine Allsopp

  make-up department
• 
  Jake Jackson

  music department
• 
  Ben Baird (I)

  sound department