(written from a Production point of view)
Lemler earned a Bachelor of Fine Arts from the University of Southern California. Prior to his appearance in Enterprise, Lemler portrayed a cop in an episode of the daily soap Days of Our Lives (2003, with William Utay), the role of Nat in two episodes of The West Wing (2003, with Nathan Anderson, Amanda Carlin, Christopher Carroll, and Timothy Davis-Reed), and the recurring role of Tim Jenkins in six episodes of The Lyon's Den (2003, along Nicolas Coster, Bruce French, Spencer Garrett, Jeffrey Nordling, Robert Picardo, Dana Sparks, Spencer Daniels, Hank Harris, Alicia Coppola, Roxann Dawson, Scott MacDonald, Dakin Matthews, Steven Weber, Rick Worthy, and Clyde Kusatsu).
Beside his television work, Lemler performed in several stage productions, such as True West, Angels in America, and Love! Valour! Compassion!.