Rotimi Akinosho Rotimi Akinosho

Rapper T.I. is not just an addition to the Starz series Boss, but a mentor to his new co-star Rotimi Akinosho.

"Working with T.I. is an incredible situation, not only as an actor, but he's also like a brother to me," Akinosho says in the behind-the-scenes clip below.

Exclusive Boss Season 1 recap: "No one will be left unscathed"

In the upcoming second season, T.I. plays a former gang member looking to make a career in Chicago's City Hall. He crosses paths with both Akinosho, who plays drug dealer Darius, and Kelsey Grammer, who stars as the city's mayor.

Watch the clip below for more on the duo's on- and off-screen relationship:

Boss premieres on Friday, Aug. 17 at 9/8c on Starz