James McCaffrey has been cast in a pivotal role for a season three episode of Suits, TVLine reports. The Rescue Me actor will portray Gordon Specter, Harvey’s (Gabriel Macht) father, on the series’ August 20 episode.

Though the Specter family patriarch has never been seen on the series before, as he passed away in 2007, he played a major role in Harvey’s life. Previous episodes have indicated that the two were very close and that Gordon was proud of his son’s accomplishments at the Pearson Hardman law firm.

McCaffrey will appear in flashbacks in the season’s sixth episode, offering Harvey advice about his career path. This glimpse into their relationship is sure to provide viewers with further insight into Harvey’s character.

Suits’ third season begins July 16 on USA.