John Mahoney appears on “Chicago Tonight” in August 2017.

Actor John Mahoney died Sunday at the age of 77. He was best known for his role as Martin Crane in the hit series “Frasier,” but Mahoney was also a long-time ensemble member at Steppenwolf Theatre.

Actors John Mahoney, left, and Francis Guinan. (Courtesy of Steppenwolf Theatre)

The veteran actors join us to discuss a new show opening Sept. 7 at Steppenwolf Theatre.