| Pro | Teddy | Novak | A small-press publisher. Mickey and Lincoln's friend. |
| | Lincoln | Moser | Commercial Real Estate broker. Teddy and Mickey's friend. |
| | Justine | Calloway | The girl Teddy, Mickey, & Lincoln falls in love with. Theta member. |
| | | | Thetas - A sorority group in Minerva College. |
| | Trudy | Moser | Lincoln's mother. |
| | Wolfgang A. | Moser | Trudy's husband. Lincoln's father. |
| | Ichabod | | Teddy's father. |
| | Nelson | | Teddy's basketball teammate. |
| | Thomas | Merton | A Trappist monk. |
| | Michael | Girardi Sr. | Mickey's father. |
| | Sigma | Chis | Long-haired pot smoker and war protester in the 60s and 70s. |
| | Anita | Moser | Lincoln's wife. |
| | Martin | | Lincoln's realtor. |
| | Mason | Troyer | Lincoln's neighbor. |
| | Everett | | Teddy's colleague. |
| | Tom | Ford | Teddy's favorite professor. |
| | Theresa | Whittier | St. Joseph's new president. |
| | Vance | | Teddy's fiancé. |
| | Grace | Slick | Teddy's female vocalist. |
| | Christine | | Jacy's roommate. |
| | Wilma | | The woman Teddy met. |
| | Ruthie | | Wilma's friend. |
| | Beverly | Coffin | Joe's daughter-in-law. The photographer. |
| | Joe | Coffin | Beverly's father-in-law. Chief of Police. |
| | Art | Fleming | The original host of Jeopardy. |
| | Andrea | | Lincoln's office manager. |
| | Marty | | Lincoln's realtor. |
| | Delia | | Mickey's lover. |
| | Clapton | | Mickey's dog. |
| | Kevin | | The man at the bar. |