| Episode credited cast: |
 | Macdonald Carey | - | Dr. Tom Horton (credit only) |
 | John Clarke | - | Mickey Horton (credit only) |
 | Wesley Eure | - | Dr. Michael William 'Mike' Horton |
 | Rosemary Forsyth | - | Dr. Laura Spencer Horton #4 |
| Joseph Gallison | - | Dr. Neil Curtis |
 | Debbie Lytton | - | Melissa Horton |
| Edward Mallory | - | Bill Horton |
| Margaret Mason | - | Linda Patterson Phillips Anderson |
| Elaine Princi | - | Kate Winograd |
 | Frances Reid | - | Alice Horton (credit only) |
 | Suzanne Rogers | - | Maggie Horton |
 | Josh Taylor | - | Chris Kositchek |
 | Susanne Zenor | - | Margo Anderman Horton |
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