We don't have a biography for Giuliano della Rovere yet. Hang in there, or go ahead and contribute one.
The Borgias Main cast, played by Alfred Burke Episode 1x01: Part 1 (Oct 14, 1981) Episode 1x02: Part 2 (Oct 21, 1981) Episode 1x04: Part 4 (Nov 4, 1981) Episode 1x09: Part 9 (Dec 9, 1981) Episode 1x10: Part 10 (Dec 16, 1981)