S03E17: /

The Machine assigns Root to seek out a janitor with a mysterious past, but when her very presence puts his life in danger, Finch also receives his number.

Season 3

Jim Caviezel
Jim Caviezel
John Reese
Michael Emerson
Michael Emerson
Harold Finch
Kevin Chapman
Kevin Chapman
Lionel Fusco
Amy Acker
Amy Acker
Root
Sarah Shahi
Sarah Shahi
Sameen Shaw