Christian Andreas Käsebier (c. 1710 – after 1757) was a thief and robber from the Holy Roman Empire during the 18th century who became an intelligence operative for King Frederick the Great following a sentence of life imprisonment.

His brother, Johann George, would become the personal tailor for Count Casimir, before emigrating to Pennsylvania, however, Christian rebelled and entered a life of crime.

[4] Käsebier was staying in Brandenburg an der Havel under an assumed named when he was finally arrested in 1748 and sentenced to life in prison at Stettin by the King.

[1][5] In 1757, King Frederick the Great was engaged in the Seven Years' War and was conducting the Siege of Prague.

Käsebier successfully smuggled himself into the besieged city three times, but on the fourth mission became hesitant over the fear of being known now.