| Regimental number | 5333 |
| Place of birth | St Arnaud Victoria |
| Religion | Church of England |
| Occupation | Farmer |
| Address | Manor House, Bacchus Marsh, Victoria |
| Marital status | Single |
| Age at embarkation | 23 |
| Next of kin | Father, Francis Crook, Manor House, Bacchus Marsh, Victoria |
| Enlistment date | |
| Rank on enlistment | Private |
| Unit name | 22nd Battalion, 14th Reinforcement |
| AWM Embarkation Roll number | 23/39/4 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A32 Themistocles on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 22nd Battalion |
| Fate | Returned to Australia |
| Family/military connections | Brothers: 609 Lance Corporal Charles Ernest CROOK, 22nd C Light Horse Regiment, returned to Australia, 11 January 1919; 1360 Sergeant Francis Herbert CROOK, 1st Field Artillery Brigade, returned to Australia, 5 April 1918; 2178 Driver Cecil Werribee CROOK, 1st Field Artillery Brigade, returned to Australia, 8 October 1918. |
| Other details |
War service: Western Front Medals: British War Medal, Victory Medal |