Vivek Sharma, the man who directs Shah Rukh Khan and Amitabh Bachchan in 'Bhootnath', has promised to cast supermodel Kapil Khadiwala in his next feature, provided the latter concentrates on theater now. Kapil, who endorses some of the biggest brands, is very excited. "It's a really great way to learn the nuances of the great art. Everyday is a learning experience for me," he enthuses, of his theater experience. Kapil's endorsements will continue, and he is busy working out as well, to maintain his physique.