| Episode cast overview, first billed only: |
 | James Pritchett | - | Dr. Matt Powers (credit only) |
| Elizabeth Hubbard | - | Dr. Althea Davis |
| Gerald Gordon | - | Dr. Nick Bellini (credit only) |
| Lydia Bruce | - | Dr. Maggie Powers |
| David O'Brien | - | Dr. Steve Aldrich |
| Carolee Campbell | - | Nurse Carolee Simpson (credit only) |
| Sally Gracie | - | Martha Allen (credit only) |
 | Josef Sommer | - | Dave Davis |
 | Julia Duffy | - | Penny Davis |
| Henry Gardner | - | Jester |
| Anna Stuart | - | Toni Ferra |
| Geraldine Court | - | Dr. Ann Larimer (credit only) |
| Peter Burnell | - | Dr. Mike Powers (credit only) |
| Palmer Deane | - | Dr. Hank Iverson (credit only) |
| Marie Thomas | - | Lauri James (credit only) |
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