Professor Lawrence Wetherhold might be imperiously brilliant, monumentally self-possessed and an intellectual giant -- but when it comes to solving the conundrums of love and family, he's as downright flummoxed as the next guy.
| Actor | Role |
|---|---|
 Dennis QuaidLawrence Wetherhold | Lawrence Wetherhold |
 Sarah Jessica ParkerJanet Hartigan | Janet Hartigan |
 Thomas Haden ChurchChuck Wetherhold | Chuck Wetherhold |
 Elliot PageVanessa Wetherhold | Vanessa Wetherhold |
 Ashton HolmesJames Wetherhold | James Wetherhold |
 Christine LahtiNancy | Nancy |
 Camille ManaMissy | Missy |
 David DenmanWilliam | William |
 Don WadsworthHadley | Hadley |
 Robert HaleyRoth | Roth |
 Patrick SebesCurtis | Curtis |
 Kevin James DoyleRodney | Rodney |
| PPaul HuberBen (as Paul J. Huber) | Ben (as Paul J. Huber) |
| IIva Jean SaraceniVolunteer | Volunteer |
 Richard John WaltersParking Lot Attendant | Parking Lot Attendant |
 Scott A. MartinWeller | Weller |
 Jane MowderJulia Knight | Julia Knight |
 Adam KroloffTalbot | Talbot |
 Patrick JordanWaiter | Waiter |
 Amanda Jane CooperBrooke | Brooke |
| KKiley CaugheyLinsey | Linsey |
| CChristy HarstWaitress | Waitress |
| RRick WarnerBloomberg | Bloomberg |
 Barret HackneyJoseph | Joseph |
| JJackson NunnClub Scene: Dining (uncredited) | Club Scene: Dining (uncredited) |