The Brockmans hope to get away for the holiday, but Granddad's sudden illness and trip to the worst hospital ever threatens their plans.
| Actor | Role |
|---|---|
 Claire SkinnerSue Brockman | Sue Brockman |
 Hugh DennisPete Brockman | Pete Brockman |
 Tyger Drew-HoneyJake Brockman | Jake Brockman |
 Daniel RocheBen Brockman | Ben Brockman |
 Ramona MarquezKaren Brockman | Karen Brockman |
 Hattie MorahanJane | Jane |
 Daisy HaggardCharlene | Charlene |
 Sam KellyRon | Ron |
| AAlice O'ConnellDr. Hughes | Dr. Hughes |
 Okezie MorroJason | Jason |
 Kitty MartinMaggie | Maggie |
 David RyallFrank Morrison | Frank Morrison |
 Nicholas KhanDentist | Dentist |