 Mullally's journalism career began in India where, from 1937 to 1949, he was sub-editor on "The Statesman" of Calcutta, then editor of the "Sunday Standard" of Bombay.Back in London he worked as a sub-editor of "The Financial News", as co-editor of the weekly "Tribune", and finally as political editor and columnist of the "Sunday Pictorial".From 1950 to 1955, he headed the public relations firm of Mullally & Warner, with clients ranging from Audrey Hepburn and Frank Sinatra to Douglas Fairbanks, Jr., Paul Getty, Frankie Laine, the Festival Ballet and Picture Post.