"I've done a lot of that kind of work before, anyway, and I was in good hands"

Marton Csokas is describing a kind of work that he has done in the past. He is indicating that he is familiar with the job and is confident in his capability to finish it. He is also suggesting that he is in a great environment to do the work, suggesting that he is surrounded by individuals who are educated and helpful. This might mean that he is dealing with a team of individuals who are experienced in the exact same kind of work, or that he remains in a supportive environment where he can ask questions and get help if required. He is positive that he is in good hands and that he will be able to complete the job effectively. This quote is a testimony to his self-confidence in his own abilities and the environment he is in.