Yes, that officer is based on a very well known statue of an Spartan officer.
Only this statue is holding both his arms under his cloak, not pointing orso as the zvezda one.
Also the kneeling hoplite one is very dramatic: defending himself while lokking upwards.
Revell Life Guard trumpeter, along with the fellow just sitting on his horse. And just about any from their Garde Chasseurs set. And the Chasseur in the French Staff set of Italeri. And the Revell Prussian infantry drummer.