<Li> Ryan Reynolds as Michael Eugene Leslie "Berg" Bergen (1998--2001)--the mischievous everyman with boyish looks who often creates chaos in the lives of his friends, particularly Pete . While in college, he has difficulty settling on what he wants to do in life . Eventually he decides on becoming a doctor, and meets Ashley, a worthy competitor, at medical school . They begin a relationship but eventually break up due to her inability to reciprocate his feelings . Near the end of the show, he and Irene, Pete's former stalker, form a relationship . </Li> <Li> Richard Ruccolo as Peter Dunville (1998--2001)--often neurotic and anxious about what may occur with his professional and romantic life . Early in the show, he is conflicted with what he wants to do in life . He switches from his dreams of becoming an architect to becoming a firefighter . He has a very brief romance with Sharon . Later, near the end of the show, he begins a lust - based relationship with Berg's ex-girlfriend, Ashley . </Li> <Li> Traylor Howard as Sharon Carter - Donnelly (1998--2001)--a complex woman who is good friends with Pete and Berg . She is known for her self - confidence, yet inability to commit to relationships . Eventually, she manages to move past her fears and marries her boyfriend Johnny Donnelly . </Li> <Li> 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 female who often gets in the way of their relationship . The couple marry 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 . </Li>

Sharon two guys a girl and a pizza place