← Previous Next → 1x09 The Walk In First Aired: Mar. 19, 2009 on A&E Summary: Barker and Ellis investigate a Chinese spy posing as a university professor. Adding difficulty to the probe is a fellow agent who doubts Ellis' abilities and attempts to sabotage his work.

Main Characters in this Episode

• Charles Ba…
• Ellis Dove
• Rose Lawre…

Guest Stars Harry Conrad played by Kevin J. O'Connor Dr. Warren Shelby played by David Pasquesi Jennifer Ling played by Gwendoline Yeo Tre Lee Kuo played by James Hong Agent Jonah Michaels played by Ian Barford Vanessa Shelby played by Rebecca Spence Adam De Figuredo played by Yaniv Rokah Rebecca Fourney played by Kirby O'Connell Abbie Gleason played by Sky Ziskin Bree played by Meredith Droeger Attacker played by Almas Meirmanov FBI Agent played by Randy Bernales Student played by Kaylee Williams Raymond Beaumont played by Lawrence Gilliard Jr. FBI Agent played by Thomas Kosik Ava played by Danielle Mulligan College Student played by Nicole James Student played by Golbon Eghtedari Police Officer played by Lorinzo McCoy Student played by Regina Daniels More