On the stage, he has performed with the Royal Shakespeare Company in such plays as "The Merchant of Venice," "The Jew of Malta," "Measure for Measure," "The Revenger’s Tragedy" and "A Clockwork Orange." His theatre credits also include productions of "Dealer’s Choice," "Carousel," "The Closing Number," "Class Enemy," "Johnny Oil," "Johnny Oil Strikes Back," "The Lucky Ones," "Rosencrantz & Guildenstern are Dead," "Tibetan Inroads" and "Line ‘Em."

Television audiences have also seen Daniels in "Sex, Chips & Rock ‘n’ Roll," "Stand and Deliver," "Sunnyside Farm," "Holding On," "Miss Julie," "Harper," "Will You Love Me Tomorrow," "Big Deal," "The Pickwick Papers," "Meantime," "Nelson," "A Midsummer Night’s Dream," "Scum," "Glitter," "Hanging Around" and "Idle Hands."