CBS is already the place to be for fall TV but the network found a new way to surprise viewers with a fun glimpse at their upcoming lineup courtesy of some cast crossovers - starting with Tracker's Justin Hartley and Blue Bloods' Donnie Wahlberg. In Us Weekly's exclusive first look at the fun footage, CBS celebrated their fall TV schedule by bringing cast members from different shows together to tease what fans can expect from returning - and new - programs. Hartley, 48, kicked it off by inviting Us into Colter's airstream, saying, "Season 3 of Tracker premieres with a two-part premiere.