The Borgias - Season 1 - Eps 7: Death, on a Pale Horse
The invasion by King Charles of France and Della Rovere proceeds with victory seemingly inevitable as the French sack the city of Lucca and the Italian powers flee to their banner, with Lucrezia's husband Giovanni Sforza poised to join them in the name of Milan; inventor Leonardo Da Vinci (guest star John Lynch) shows his drawings and blueprints for war machinery to the invaders.
About The Borgias

Title: The Borgias
First Air Date: 2011-04-03
Last Air Date: 2013-06-16
Status: Canceled
Rating: 7.526/10 (from 469 votes)
Language: EN
Seasons: 4
Total Episodes: 29
Network: Showtime
Genres: Drama, Crime
Production Companies: Take 5 Productions, Octagon Films, Showtime Networks, BellMedia
Synopsis
Set in 15th century Italy at the height of the Renaissance, The Borgias chronicles the corrupt rise of patriarch Rodrigo Borgia to the papacy, where he proceeds to commit every sin in the book to amass and retain power, influence and enormous wealth for himself and his family.
Cast

Jeremy Irons
Rodrigo Borgia

François Arnaud
Cesare Borgia

Holliday Grainger
Lucrezia Borgia

Joanne Whalley
Vanozza Cattaneo

Colm Feore
Giuliano Della Rovere

Peter Sullivan
Cardinal Ascanio Sforza

Sean Harris
Micheletto

Lotte Verbeek
Giulia Farnese

Thure Lindhardt
Rufio

Vernon Dobtcheff
Cardinal Versucci