"The show might be steamy, but it's so tremendously dysfunctional that I don't think she feels threatened by anything that's happening on camera," he said. "Thank God she's an actress as well so she understands."
"I think it would be very difficult to be with someone who wasn't in the business and trying to work with material like that," Jackson continued.
Ironically, the only time the couple has shared the big screen together they were playing characters with no chemistry in Sky. Back in September, Kruger told ET the task was easy after seeing Jackson's altered appearance for the role.
"When he stepped out of the trailer, I knew we were OK," Kruger said. "He'd been growing this beard for about three months and then shaved it off for the mustache. I told him he had to shave it off before he came home!"