Greville was born John Rodger in Dublin, Ireland, a son of John Rodger JP (c. 1812–1897) and his wife Jane Rodger,
née Greville (died 1899). His first acting experience was in May 1851, when he played Rochester in a comedy entitled
Charles II, with Dublin's Royal Phoenix Amateur Theatre. In 1852 the family emigrated to Victoria, Australia, where Greville made his first stage appearance at the
Queen's Theatre, Melbourne, singing with
Charles Young at a Saturday night concert run by violinist Joseph Megson. He made his way to the
Bendigo goldfields, where he was soon disabused of any hopes of "striking it lucky", and settled for more congenial work as an entertainer at Cairncross's Theatre, and taking small acting parts with the Ramsay and Walshe company. He worked for some months at Latham and Watson's store, then moved to Back Creek, near
Maryborough, then to
Ballarat, where he worked for several years and married. He also appeared at the nearby Shamrock Theatre, playing tragic parts as well as the comic, at which he excelled. where he became associated with
G. V. Brooke and
George Coppin. In 1858 Greville was in a company with
Edmund Holloway and Ben Webster, that had a long and profitable season at the
Victoria Theatre, Adelaide, followed by Hobart and Launceston, then with
John Hennings leased the
Princess's Theatre, Melbourne for a short season. He returned to Melbourne to manage Coppin's
Haymarket Theatre 1866–67, then the "indefatigable stage manager" was off to Sydney and the
Prince of Wales Opera House 1867–68. In 1868–69 he was stage manager of the
Theatre Royal, Ballarat, where he played O'Callaghan in the afterpiece
His Last Legs, which he would reprise many times. From 1869 to 1872 he was stage manager for the partnership of Coppin,
Harwood,
Stewart and
Hennings in management of the
Theatre Royal, Melbourne and
St George's Hall Among his celebrated roles in this period were: • "A Party by the Name of Johnson" in
A Lancashire Lass •
Widow Twankey in the pantomime
Aladdin •
First gravedigger in
Hamlet •
Pistol in
Henry V As theatre manager From 1877 to 1882 he was partner with Coppin and Hennings, lessees and managers of the Theatre Royal, appearing in various plays, notably as • Larry O'Phesey in
Meritt and
Harris's play
Youth == Other interests ==