The administrative head of the municipality, upon recommendation of the judge of the municipal court, may designate any appropriate person to serve as marshal, and in the absence of such a designation, the chief of police or corresponding officer of the municipality shall be ex officio marshal of the court. The marshal shall execute all writs and other processes directed to him, except as otherwise provided, and such duty may be performed by any deputy marshal or by any member of the police force of the municipality, as the case may be.