| Episode cast overview, first billed only: |
 | James Pritchett | - | Dr. Matt Powers (credit only) |
| Elizabeth Hubbard | - | Dr. Althea Davis |
| Lydia Bruce | - | Dr. Maggie Powers (credit only) |
| David O'Brien | - | Dr. Steve Aldrich |
| Sally Gracie | - | Martha Allen (credit only) |
| Palmer Deane | - | Dr. Hank Iverson (credit only) |
| Anna Stuart | - | Toni Ferra (credit only) |
| Geraldine Court | - | Dr. Ann Larimer |
 | Armand Assante | - | Dr. Michael Powers (credit only) |
 | Julia Duffy | - | Penny Davis |
| Jonathan Hogan | - | Jerry Dancy |
| Fanny Spiess | - | Wendy Conrad |
 | George Coe | - | Scott Conrad |
| Lauren White | - | M.J. Match |
 | Robert Frank Telfer | - | Lew Dancy (as Frank Telfer) (credit only) |
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