The episode was directed by series regular
John Holmquist, shortly after the conclusion of the
ninth production season, in his second episode of the season, the first being "
Amish Guy". Holmquist joined the series in its
second season, directing the episode "
Running Mates", which was written by Neil Goldman and Garrett Donovan. The episode was written by Dave Ihlenfeld and David Wright, both in their first episode of the series. Series regulars
Peter Shin and James Purdum served as supervising directors, with
Andrew Goldberg and Alex Carter as executive story editors, and Spencer Porter, Anthony Blasucci, Mike Desilets and Deepak Sethi serving as staff writers for the episode. Composer
Walter Murphy, who has worked on the series since its inception, returned to compose the music for "Grumpy Old Man". In addition to their roles of Peter and Lois Griffin, Series creator and executive producer
Seth MacFarlane and main cast member and former series writer
Alex Borstein reprise their roles of Carter and Barbara Pewterschmidt, Lois's parents. This episode reveals that Peter's mother, Thelma, moved into a retirement home. Eight months after the episode's initial broadcast,
Phyllis Diller, Thelma's voice actor, died. In addition to the regular cast, actor and comedian
Adam Carolla, actor
Jack Carter, actor
D. C. Douglas, actor and drill instructor
R. Lee Ermey, actress
Christine Lakin, actor
Joel David Moore, actress
Linda Porter, voice actor Floyd Van Buskirk, actress
Mae Whitman and voice actor
Wally Wingert, guest starred in the episode. Recurring guest voice actors
Ralph Garman, writer
Julius Sharpe, actress
Jennifer Tilly, writer
Chris Sheridan, writer
Danny Smith, writer
Alec Sulkin and writer John Viener made minor appearances throughout the episode. Recurring guest cast members
Adam West and
Patrick Warburton also appeared in the episode. ==Reception==