Bill Murray is a consummate on-set prankster, claims 11-year-old 'St. Vincent's' co-star

The 'St. Vincent's' 11-year-old actor, Jaeden Lieberher, recently revealed that it was tough for him to maintain his composure during the shooting because the on-set prankster Bill Murray cracked up lot of jokes on the set.

According to the Hollywood Reporter, the actor, who will be seen in his first lead film role, said that it was nerve wracking as well as fun working with the 64-year-old actor and he makes everybody laugh on the set.

The 'Ghostbusters' star always told him to relax, have fun a little bit while doing a movie and one time when he was nervous about a big speech in a scene, Murray took him aside and they started meditating, he further added.

Lieberher also mentioned that Murray once stole a golf cart and started driving it on the horse race track, Naomi Watts was in the back, and the security was chasing him.