Matthew Rhys says it's "second nature" that he "gravitates" towards fellow Welsh actors Michael Sheen and Ioan Gruffudd.
The three stars have all enjoyed success in Hollywood since they decided to leave their homeland and move to the US. However, Matthew admits that he sometimes feels homesick and seeks comfort in a group of Welsh pals living near him.
"As a nation there aren't many of us, so if we find ourselves in Los Angeles all doing the same job then I think its second nature that we all gravitate towards each other," he said during an interview for UK TV show Lorraine. "More often than not, we bump into each other in random places. We aren't always in LA at the same time, so it's a case of seeing other somewhere like Brighton or Bristol when we are on location."
Matthew is best known for his role in US TV show Brothers & Sisters, and also starred alongside Keira Knightley and Sienna Miller in The Edge of Love.
The 37-year-old star loves being outdoors and is a keen horse rider.
Matthew has recalled visiting a prison in the US while he was researching into an article for UK magazine Horse & Hound. The actor joked that he had some trouble convincing staff at the jail that the publication really existed, after Hugh Grant famously pretended to write for the magazine in the 1999 movie Notting Hill.
"I went out to a prison in Nevada for a day and shadowed two people. I was actually writing an article for Horse & Hound. The greatest hurdle was that everyone thought it was a fictional magazine because of Hugh Grant in Notting Hill," he laughed. "I was talking to this prison security publicist and he was saying, 'You write for Horse & Hound?' and I was going, 'Yes, it's a real magazine, please go online and check it out.'"
Matthew visited the facility to find out more about a programme that involves prisoners training wild mustang horses. He was so overwhelmed with their work that he decided to splash out on two horses for himself.
"There are five prisons that do this amazing programme with wild mustangs. The US has an overcrowding problem with mustangs at the moment, so they give them to the prisons as a sort of prisoner rehabilitation programme, where they train and take care of the horses and then sell them," he explained. "I was so impressed by these two horses that a prisoner had trained I ended up sticking my hand up in the auction."
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