Kieran Culkin is currently lighting up screens as part of the cast of Succession.The 39-year-old plays Roman Roy in the hit HBO drama on which he bagged an Emmy and Golden Globe nomination for Best Supporting role. Acting runs in the blood and Kieran is one of three siblings currently working in the entertainment industry.The Culkins actually had seven children together: Christian, Dakota, Macaulay, Kieran, Rory, Shane, and Quinn.