• 
  Gert Fröbe

  Professor von Bulow
• 
  Burl Ives

  Phineas T. Barnum
• 
  Maurice Denham

  Narator
• 
  Donald Bisset

  Fred - Sailor
• 
  Hermione Gingold

  Angelica
• 
  Allan Cuthbertson

  Colonel Scuttling - Scotland Yard Man
• 
  Dennis Price

  Duke of Barset
• 
  Derek Francis

  Puddleby

• 
  Lionel Jeffries

  Sir Charles Dillworthy
• 
  Graham Stark

  Grundle
• 
  John Franklyn

  Railway Guard
• 
  Stratford Johns

  Warrant Officer
• 
  Troy Donahue

  Gaylord Sullivan
• 
  Judy Cornwell

  Electra
• 
  Terry-Thomas

  Sir Harry Washington-Smythe

• 
  Jimmy Clitheroe

  General Tom Thumb
• 
  Edward de Souza

  Henri (as Edward De Souza)
• 
  Daliah Lavi

  Madelaine
• 
  Joachim Teege

  Bulgeroff
• 
  Renate von Holt

  Anna (as Renata Holt)

• 
  John Scott

  departament sunet
• 
  Ron Beck

  costume and wardrobe departmen
• 
  Ann Chegwidden

  montaj
• 
  Ron Goodwin

  music department
• 
  John Scott

  music department
• 
  Louis M. Heyward

  producător
• 
  Harry Alan Towers

  producător
• 
  John Peverall

  second unit director or assist
• 
  Roy Baker (II)

  sound department
• 
  Les Bowie

  special effects
• 
  Jules Verne

  scriitor
• 
  Harry Alan Towers

  scriitor
• 
  Dave Freeman

  scriitor