Capitan and two Tenientes of Guardia Civil finished
Tenientes are armed with MP-18 SMG - German SMGs from the I World War used in Spain by police units. It wasn't an accurate weapon but its fire ratio was useful during fighting on short distances.
It's worth noticing that they have a characteristic tricorno hat. It was introduced in 1860 when it was decided that "typical spanish" elements should be introduced to GC uniforms. During the SCW this formation was still wearing tricorno as a part of field uniforms.
Funkcjonariusze Guardia Civil walczący po stronie legalnego rządu Republiki/ Guardia Civil functionaries fighting on the side of the legal Republican government.