Actor Justin Hartley said to Jimmy Fallon that he is inviting cast members from the series "This Is Us" to guest-star on his CBS action-drama "Tracker" [1].

This potential crossover would bring together former colleagues from one of the most successful dramas of the last decade. Such guest appearances often drive viewership spikes for network television series by leveraging existing fanbases from previous hit shows.

During the interview on The Tonight Show Starring Jimmy Fallon, Hartley said he spoke about the physical demands of his role in "Tracker" [1]. He said that he performs many of his own stunts to maintain the authenticity of the action sequences [1]. The series follows a reward seeker who specializes in finding missing people, a premise that requires significant physical coordination and on-set activity.

Hartley used the platform to promote the upcoming season of the show and generate excitement for new guest appearances [3]. While he specifically mentioned the "This Is Us" ensemble, other reports on the series have focused on different guest plans for the season [4].

The actor's transition from the emotional depth of "This Is Us" to the high-intensity environment of "Tracker" marks a shift in his career trajectory. By handling his own stunts, Hartley is positioning himself as a lead capable of both dramatic weight and physical action, a combination often sought after for long-running procedural dramas on CBS.

“Justin Hartley says he is inviting the "This Is Us" cast to guest-star.”

The pursuit of a 'This Is Us' reunion on 'Tracker' suggests a strategic effort to blend nostalgia with a modern procedural format. If these guest appearances materialize, it could signal a broader trend of network television utilizing legacy cast connections to sustain ratings in an increasingly fragmented streaming market.