season, he hangs about the pizza place telling stories that are from movies but which he claims to be his own experiences. Nathan Fillion as Johnny Donnelly (1999–2001) – arrives in the second season as a jukebox repairman with eyes for Sharon. He and Sharon begin dating with the occasional break-up due to Johnny's long-time friend Shaun, an attractive woman who often gets in the way of their relationship. The couple marries during the third-season finale. Johnny later decides to become a fireman against Sharon's wishes. Eventually, Sharon and Johnny decide they are ready for children, as seen in the series finale. Suzanne Cryer as Ashley Walker (1999–2001) – arrives in the second season and meets Berg at medical school. Initially she rejects Berg, hoping to keep her long-distance relationship with Justin (Jon Cryer). She eventually starts dating Berg but he then calls it off. At the end of the fourth season, she starts a sexual relationship with Pete and becomes pregnant in the series finale. Viewers were left unable to know what Ashley would do with the baby due to the show's cancellation. Jillian Bach as Irene (1999–2001) – arrives mid-season 2 as Pete's stalker. She then forms a sexual relationship with Berg, while maintaining her love for Pete. Toward the middle of season 4, she and Berg start dating but break up due to Berg's other love interest, Katie Connor. Irene then forms a relationship with the mailman, causing Berg to become extremely jealous. The two get back together after an unexpected pregnancy scare. Recurring Maury Ginsberg as Kamen (1998–1999) – thwarted by Berg in "Two Guys, a Girl and Someone Better" where Berg blantally ruins his life. He attempts to get Berg back on random occasions throughout season 2. Giuseppe Andrews as Germ (2000–2001) – a helper at Tufts Hospital who is noted for his slobbish and uncaring attitude. He first appears in "Au Revoir Pizza Place", season 3/episode 2, and returns later in the series where he becomes a close acquaintance of Pete, Berg, Sharon, and Ashley. Tiffani Thiessen as Marti (2000) – another love interest of Pete's who continually sasses him at the fire station. She and Pete start dating, to Irene's chagrin. She breaks up with Pete during the fourth season after having an affair with a baseball star. Dian Bachar as Roger (2001) – A mailman Irene dates after her breakup with Berg,