In Ulster, Major Trumbull is put in charge of overseeing the completion of a hospital on time. As the pressure increases, he replaces well-liked foreman Desmond Doherty with brash Scanling, which angers the men.
| Actor | Role |
|---|---|
 Leo McKernJerry McMahon | Jerry McMahon |
 Richard PearsonMajor Trumbull | Major Trumbull |
| PPatrick McAllineyDesmond Doherty | Desmond Doherty |
 Barry KeeganScanling | Scanling |
 Mark EdenErskine Craig | Erskine Craig |
| EElisabeth MurrayMary Riley | Mary Riley |
| GGerald McAllisterToler | Toler |
| HHarry LittlewoodPeoples | Peoples |
| DDermot MacDowellFirst Labourer | First Labourer |
 Michael RobbinsSecond Labourer | Second Labourer |