Tuesday (Sept. 27), Liev Schreiber was spotted on the streets of Manhattan. He was seen with Sasha, 4-year-old son, the fine art of hailing a cab.

Liev teaches Sasha, how to hail a cab? With a little practice, A taxi eventually stopped, and the twosome got a ride.

At age 4 years, Sasha was smart enough to stop the taxi and this can he teach his younger brother, Kai, 2-years-old.