Speaking of Runner, Runner, Sam learned a lot from Justin Timberlake while shooting the film with him. Sam's spoken of the respect he has for JT, because he's "proven himself in so many fields".
It made Sam realise you can "balance everything" if you have enough talent, and it gave him the confidence to say he's going to act and keep up with his music. He sees JT as a man that's testament to "really milking the industry for all it's worth".