| Episode credited cast: |
 | Michael Redgrave | - | Himself - Narrator (voice) (as Sir Michael Redgrave) |
 | Ralph Richardson | - | Douglas Haig (voice) (as Sir Ralph Richardson) |
 | Emlyn Williams | - | Lloyd George (voice) |
 | Marius Goring | - | Various (voice) |
 | Cyril Luckham | - | Various (voice) |
 | Sebastian Shaw | - | Various (voice) |
| Rest of cast listed alphabetically: |
 | Arthur Brown | - | Himself - British Soldier |
| Jack W. Critchley | - | Himself - British Soldier |
| Marjorie Llewelyn | - | Herself - British Woman |
| Reginald J. Mason | - | Himself - British Soldier |
| Wilfred Staddon | - | Himself - British Officer |
| Charles Taylor | - | Himself - British Soldier |
| Sydney White | - | Himself - British Soldier |
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