Mosche is also Jewish and is the joker of the group. Constantly cracking anecdotes even during the most depressing and helpless times. He enjoys making fun of the Nazis and whole situation, refusing to see the dangers and tragedies that surround him.
Mosche is played by talented Srulik Pniel
See more here: http://www.www.micheladam.tv/shanghai/cast/mosche/