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. |