Marriott played in one Test match for the England cricket team in 1933 at the age of 37, taking 11 wickets.
[2] Marriott enrolled in the Lancashire Fusiliers in September 1915 and was commissioned as a temporary Second Lieutenant in the 21st Reserve Battalion the following month.
[2][3] He spent time on the front line at Ovillers and, later in the year, to the north of Arras and was promoted, first to Lieutenant and then to acting Captain, commanding a company.
[2] He was injured falling on frozen duckboards during early 1917 and spent some time convalescing in England before returning to the war, seeing action at Savy Wood, Saint-Quentin, Nieuwpoort and around Ypres during the summer.
Doctors determined that he was suffering from photophobia and had many of the classic signs of shell shock and that he was unfit for front line service.
He spent early 1918 with the 3rd Battalion at Withernsea in Yorkshire and transferred to the Royal Air Force in July, joining the Cadet Wing at Hastings with the rank of Lieutenant for the remainder of the war.
[2] The post allowed him to play for Kent County Cricket Club in the school holidays, although he initially declined Lord Harris' invitation to do so.
[2] He eventually accepted the opportunity and played for the Kent side between 1924 and 1937, making 101 first-class appearances for the county, taking 429 wickets.
[4] Marriott was selected in the squad for the 4th Ashes Test at Old Trafford in 1921, but didn't make the final eleven.
[7] Wisden reported that with "clever fighting of the ball, perfect length and spin" he produced "one of the best performances accomplished by a bowler when playing for England for the first time"[8] and Marriott remains the bowler with the lowest bowling average to have taken more than 10 wickets in Test matches.
[8] The following winter Marriott toured India with an official England side led by Douglas Jardine.
[18] During World War II Marriott was an anti-aircraft gunner in the Home Guard and played cricket in war-time matches, including at Lord's in 1944 when he was 47.