She appeared in the 2018 film Hotel Mumbai, and starred as feminist icon Helen Reddy in the 2019 biopic I Am Woman.
In 2013 she created and performed the front-of-house entertainment at the Adelaide Festival club, Barrio,[11] and in 2014, starred in the "Find Wonderful" television commercial[14] for the re-launch of the Myer brand, filmed in New Zealand over three days.
[15] In 2016, Cobham-Hervey appeared in her first play as Rosie Price in Things I Know To be True, which was written by Andrew Bovell for a co-production between State Theatre Company of South Australia and UK's Frantic Assembly.
[26] Cobham-Hervey and Dev Patel co-wrote and -directed a short film, Roborovski, about a hamster, which premiered at Flickerfest in Sydney in January 2020.
[28] In 2021, Cobham-Hervey devised an interactive theatre piece entitled Two Strangers Walk into a Bar which was premiered in the Adelaide Fringe and had a later season at MOD., a South Australian "futuristic museum of discovery".
[29][30][31] As of December 2021[update] Cobham-Hervey had relocated back to Australia, after around four years in Los Angeles, to film The Lost Flowers of Alice Hart.
The play, written by playwright Verity Laughton, premiered at the Dunstan Playhouse in Adelaide, before moving to the Sydney Opera House.
[37] The couple posed for photographs together for the first time on the red carpet at the Sydney premiere of Patel's debut feature as a director, Monkey Man, on 2 April 2024.