WALL STREET star Michael Douglas likes to spice things up in the bedroom with wife Catherine Zeta-Jones by pretending he's actor Richard Burton. The BASIC INSTINCT star is sporting a full beard for his next movie, KING OF CALIFORNIA, in which he plays a jazz musician and his Welsh wife loves his new look. He explains, "Well, you know we're into our sixth year together. She went, 'I kind of fancy that.' "You close your eyes once in a while and put on a RICHARD BURTON accent, from her home country, give it a little variety, spice of life." The actor does have a special role he'd like his wife to take on, adding, "I'm kind of waiting for Catherine to play a nurse."