Daniel Sulzberg is a former writer of Smallville. He has written the following episode:
- Lucy (co-written with Neil Sadhu, directed by David Barrett) - Lucy Lane, Lois' younger sister, comes to Smallville but Clark catches her stealing money from the Talon to pay off a European crime syndicate. Lex offers to help but everything is not what it seems. Meanwhile, a thief breaks into Lana's apartment and steals the Crystal of Air, and Jason suspects Lionel.