Sean Grennan Details Cast On MovieCast On TV Name Sean Grennan Also Known As Birthday Gender Male IMDB Sean Grennan profile on IMDB Place of Birth As: Cop Cousin1987-06-03The Untouchables... As: Ken2017-10-13MINDHUNTER... As: Wilkins1999-09-20Law & Order: Special... As: I.A.B. Detective Rol2001-09-30Law & Order: Crimina...