We don't have a biography for DEA Special Agent David Lang yet. Hang in there, or go ahead and contribute one.
Appearances
Chicago P.D.
Guest cast, played by Bailey Chase
- Episode 2x09: Called in Dead (Dec 10, 2014)
- Episode 2x10: Shouldn't Have Been Alone (Jan 7, 2015)
- Episode 2x11: We Don't Work Together Anymore (Jan 14, 2015)