Can attorneys practice law without passing the Bar Exam?

No, in almost all jurisdictions in the United States, attorneys cannot practice law without passing the bar exam (or obtaining admission through other highly specific means, such as reciprocity from another jurisdiction). There are extremely rare exceptions, such as for judges or those admitted to practice in limited circumstances before a specific court or agency, but these are not common and usually involve specific restrictions. Generally, passing the bar exam is the standard requirement for practicing law.