Characters played by Ricardo Montalban
Pietro Donati
Characters played by Betta St. John
Lady Iolanthe Rogliano
Characters played by Rick Jason
Enzio Siniscola
Characters played by Carolyn Jones
Elaine of Siniscola
Characters played by Whitfield Connor
Frederick II
Characters played by Michael Ansara
Count Alesandro Siniscola
Characters played by Edgar Barrier
Baron Rogliano
Characters played by Nelson Leigh
Isaac
Characters played by Pamela Duncan
Zenobia
Characters played by Guy Prescott
Donati
Characters played by Morris Ankrum
Undetermined Secondary Role
Characters played by Edward Coch
Giuseppe
Characters played by Gene Darcy
Italian Prince
Characters played by Poppy del Vando
Gina
Characters played by Nyra Monsour
Maria
Characters played by Leonard Penn
Haroun
Characters played by Keith Richards
Spectator