Trivia

In the mid-1930s, he co-founded Gamma Films with James Mason and Pamela Ostrer Kellino (later Pamela Mason), his first wife. In the early 50s, he set up another short-lived production company, Portland, with the same two co-founders.

His friendship with James Mason seems not to have been affected by Mason's affair with his wife Pamela, which eventually led to a divorce and her re-marriage to the actor. Some sources even suggest that he was quite relieved, and it is true that it was he, rather than her father (as one would expect), who gave the bride away at her wedding to Mason.

Son of director W.P. Kellino and, when he was a child, he appeared in several of his father's films, the earliest when he was two-years-old.

First husband of actress Pamela Ostrer Kellino Mason, later simply Pamela Mason, after she remarried to his business partner James Mason.

His Italian surname was an assumed one; he was descended from circus acrobats who felt that an Italian name would help them in their profession, as all the most celebrated acrobats of the time actually were Italians.

In films as an actor from 1915. Subsequently worked as camera assistant at Gainsborough, by 1929 advancing to director of cinematography.