Born in Stepney, London, Hudis began his writing career on a local newspaper, the Hampstead & Highgate Express.
When World War II broke out, Hudis joined the RAF and served in the Middle East writing for Air Force News.
[1] Hudis met the film producer Peter Rogers in the year of its release who offered him the job of writing another screenplay for Tommy Steele (The Duke Wore Jeans, 1958), which was directed by Gerald Thomas.
Hudis decided to move permanently to the United States in 1966 as he had received offers of work following the successful American release of Carry On Nurse.
[3] He also wrote the semi-autobiographical play Dinner with Ribbentrop about his time working with the notoriously anti-Semitic actor Eric Portman.