[3] His father Jeremy Cumpston, is a doctor and a Western Australian Academy of Performing Arts graduate who founded the Old Fitzroy Theatre and has appeared in shows such as All Saints.
[10][3] He wasn't sure that it was real, but it turned out that actress Jenni Baird, had seen an article in a magazine featuring the Cumpston's and her partner, writer-director Michael Petroni, knew someone in an American casting office and put in a call.
[1][3] Eventually Cumpston won the role and portrays a teen making his way through an eerily familiar world changed forever by the outcome of a global pandemic.
[3] In 2021, Cumpston played Zachary, the dead son of the Marconi family in the series Nine Perfect Strangers alongside Nicole Kidman, Asher Keddie and Melissa McCarthy.
[14] The series is based on a Liane Moriarty book and centres around a group of people at a health retreat trying to find a path to a better life but are met with dilemmas.