| Dr. | Boryweitz | Elizabeth's colleague. |
| Seymour | Browne | Elizabeth's colleague. |
| Peter | Dickman | Margaret's fiancé. |
| Calvin | Evans | The star scientist of Hasting Institute. Elizabeth's live-in partner. |
| George | Fillis | Mrs. Fillis's husband. |
| Mrs. | Fillis | One of the audience. |
| Edna | Flattistein | The woman who asked Elizabeth about God. |
| Miss | Frask | A secretary. Eddie's girlfriend. |
| Lyndon | Johnson | The current Vice President. |
| Jack | LaLanne | The famous T.V. guru. |
| Phil | Lebensmal | Walter's boss. The KCTV's executive producer. |
| Francine | Luftson | One of Elizabeth's fans. |
| Dr. | Mason | The men's team captain. |
| Dr. | Meyers | Elizabeth's advisor. |
| Mrs. | Mudford | Madeleine's teacher. |
| Stella | Pajunas | The world's fastest typist. |
| Avery | Parker | The owner of Parker Foundation. Calvin's mother. |
| Amanda | Pine | Madeline's schoolmate. |
| Walter | Pine | Amanda's father. |
| Franklin | Roth | An award-winning journalist. |
| Frederick | Sanger | A British chemist that Calvin helped. |
| Harriet | Sloane | Elizabeth's neighbor. |
| Dr. | Spock | Elizabeth's doctor. |
| Mr. | Wilson | Avery's lawyer. |
| Elizabeth | Zott | Madeline's mother. A research chemist. |
| John | Zott | Elizabeth's brother. |
| Madeleine | Zott | Elizabeth's daughter. |
| Deirdre | | Calvin's ex-lover. Aka: Debbie. |
| Donatti | | Elizabeth's boss. |
| Eddie | | One of the geologists. |
| Judy | | One of Madeleine's classmates. |
| Margaret | | Elizabeth's friend. |
| Phillip | | Meyer's top research assistant. |
| Rosa | | The hairdresser. |
| Six-Thirty | | Elizabeth's dog. |
| Wakely | | Calvin's schoolmate who became a minister. |