This marks as Paul Willson's third appearance on the show, and playing a third different character. He previously played Bob Minkoff in "The Gift Episode," then Larry's accountant Frank in "Brother, Can You Spare 1.2 Million?" and here he plays Sid's brother. He returned as the latter in the final episode.
Jeffrey Tambor portrays Hank Kingsley portraying Liza Minnelli. Tambor and Minnelli would later appear in Arrested Development (2003) together.