Star apologizes for calling black actors `` colored '' on UK TV . comedian actor offers his `` sincere apologies '' after appearance on Smiley show . Benedict Cumberbatch 's comment came during conversation about lack of diversity in UK show business .
Benedict Cumberbatch apologizes for calling black actors `` colored '' on U.S. TV . British actor offers his `` sincere apologies '' after appearance on Tavis Smiley show . Star 's comment came during conversation about lack of diversity in UK show business .