Walter Watts is a fictional character portrayed by Robert John Gallagher in the TV series Blue Bloods.
They appear in 1 episodes out of a total of 285 aired so far
Episodes1
Identity
episode S9.E21 may 2019DNA evidence in a murder case leads Danny and Baez to identical twins with identical alibis. Also, Frank learns Nicky is interviewing for a job at the Justice Coalition, and Jamie visits Eddie's father, Armin, in prison.