Who played nate archibald's dad in Gossip Girl episode 2.11?

In Gossip Girl episode 2.11, titled "The Magnificent Archibalds," Nate Archibald's father, Howard Archibald, was portrayed by actor Sam Robards. Howard's character is central to the episode as it explores family dynamics and the pressures Nate faces. Sam Robards is known for his roles in various film and television projects, adding depth to the character of Nate's father.