Played two different recurring Goa'uld characters, on Stargate SG-1 (1997), who were both extremely powerful and were considered far worse than the majority of their race: "Sokar" in the Season Three episodes, Jolinar's Memories (1999) and The Devil You Know (1999), and "Anubis" during Seasons Five, Six and Seven.
His wife Erica Durance gave birth to their son, Lochlan William Pallfy, on February 10, 2015.
David has three sons, Laszlo David Palffy from previous marriage born March 29, 1999 and two sons with Erica Durance-Palffy Lochlan William Palffy Born Feb 10, 2015 and Liam Jeffrey Palffy born Dec 7, 2016.