White Tulip

Summary

When the passengers on a commuter train all die instantly of massive power loss, the team realizes that a time traveler is responsible... and that it may be impossible to apprehend him. Meanwhile, Walter writes a letter to Peter explaining his origins.

Guest stars

• Marie Avgeropoulos as Waitress
• Jackson Berlin as ND Agent
• Zoltan Buday as Worker
• Robert Gauvin as Uniform Cop
• Richard Harmon as Teenager
• Jennifer Kitchen as Female CSI
• Tariq Leslie as Assistant M.E.
• Andrew McIlroy as Professor Lime
• C. Douglas Quan as M.E. Tech
• Duncan M. Spencer as Sniper