on the show for more than a year. Gary Graham returned as Soval after a single appearance in the third season, and Jim Fitzpatrick made a third appearance as Commander Williams. Several actors appeared in the series for the first time, including Jack Donner, although he had appeared as Subcommander Tal in The Original Series episode "The Enterprise Incident". He had been trying to return to the Star Trek franchise for a while, having previously been overlooked for a part on Star Trek: Voyager. He said that his casting was directly linked to showrunner Manny Coto's desire to link Enterprise more to The Original Series; hener walso so pleased to be asked back to appear later in the season. Also appearing was Michael Reilly Burke as Koss—a character first mentioned in the first season episode "Breaking the Ice". Burke previously appeared as a Borg in Star Trek: The Next Generation and a Cardassian in Star Trek: Deep Space Nine. Also making their first appearances were Ada Maris as Captain Erika Hernandez, and Joanna Cassidy as T'Pol's mother, T'Les. Donner, Burke and Cassidy appeared in the Vulcan-arc episodes later in the season, while Maris appeared in the two-party Klingon story comprising "Affliction" and "Divergence". The seven-day filming began on August 4, finishing on August 12. The Enterprise standing sets were re-dressed for the interior scenes on the USS Columbia and a variety of swing sets were used. Outdoor scenes with Archer and Hernandez were filmed at Malibu Creek State Park. One area which had only previously been mentioned (but not seen) in Star Trek was the Fire Plains on Vulcan—in the Star Trek: Voyager episode "Innocence"; for "Home", it was created with computer-generated imagery. Allan Kroeker directed "Home", his second episode of the season after the first episode of "Storm Front"—although he had directed numerous episodes during the first three seasons. The episode's writer, Mike Sussman, wrote five of the previous season's episodes. Reception "Home" first premiered on UPN in the United States on October 22, 2004. It was watched by an audience of 3.16 million viewers, an increase over the previous week's episode, the second part of "Storm Front" which was watched by 3.11 million. This was part of an overall increase in viewers during the first six episodes of Enterprise, with each episode being watched by a greater number of viewers than those before it. According to the Nielsen