Teddy Dunn or Edward Wilkes "Teddy" Dunn (born June 19, 1980) is an Australian actor known for his portrayal of Duncan Kane in the television series Veronica Mars which he portrayed for 44 episodes.
At Phillips Academy, Andover, Teddy Dunn became involved in theatre, playing the role of Jerry in Edward Albee's The Zoo Story and the lead character of Alceste in Molière's The Misanthrope, directed by Kevin Heelan.
Teddy Dunn was cast as a series regular for the first season of Veronica Mars as Duncan Kane, but left halfway through season 2 in the episode "Donut Run." He came back for a cameo in the season finale of season 2, "Not Pictured," but did not reprise his role in the third season.
Teddy Dunn also appeared in the 2004 remake of The Manchurian Candidate. The same year, he had a guest appearance on Gilmore Girls. He also had a guest appearance on Grey's Anatomy in 2006. He appeared in the 2008 film Jumper as Mark Kobold.