but when we did ray donovan, i was always shaking.the physicality. i would be like this all day long because when the camera rolled, then, i wanted to... because the character has... the character has parkinson's. so, i didn't want to be thinking about it when i'm acting, because of the context that the character's in. it can sometimes seem very extreme, though. i mean, how far do you take it? at the end of the day, you do say, and you've said perhaps this is, again, a product of your past, your working—class roots, that acting is a job, it's a trade. it is a job. yes. it's like many otherjobs. and, ultimately, don't you have to... snaps fingers ..kind of switch off at the end of the day? you do. yeah, i mean, i can switch off. but i give 100% on the day. but i can switch off. yeah. now, thinking about your background and some of the great roles you've played, and award—winning roles like playing in happy—go—lucky, mike leigh's film, where your character was socially awkward, was a loner, wasn't particularly nice. yes. and then, i thi