Holland and Bayona previously worked together on The Impossible and the actor then performed his stand-in duties on A Monster Calls, to do his friend a favor.
The titular monster in A Monster Calls is voiced by Liam Neeson but is, visually, a computer generated character.
A Monster Calls opens in select U.S. theaters on December 23rd, 2016, before it goes into wide release on January 6th, 2017.
However it appears that the new actor behind the webslinger, Tom Holland, still found time in his schedule to help out film-making pal J.A. Bayona behind the scenes on his upcoming feature, A Monster Calls.