Derek Pfeiffer is a fictional character portrayed by Bryan Callen in the TV series Law & Order: Special Victims Unit.
In the first episode they appeared in, titled Risk (season 4), they were 35 years old.
They appear in 1 episodes out of a total of 551 aired so far
Episodes1
Risk
episode S4.E12 january 2003When cans of baby formula are found to be filled with cocaine, Detective Elliot Stabler, with the help of Detective Olivia Benson and the rest of SVU, goes undercover to bust open the world of corporate drug trafficking.