David McCallum is a Scottish-American actor and musician who achieved stardom early on in his career for portraying the Russian secret agent Illya Kuryakin on the television series 'The Man from U.N.C.L.E.' Decades later, he renewed his international recognition and popularity with his role of NCIS medical examiner Dr. Donald 'Ducky' Mallard on the television series 'NCIS'. His other notable television roles include Flight Lieutenant Simon Carter in 'Colditz', scientist Daniel Westin in 'The Invisible Man', inter-dimensional operative Steel in 'Sapphire & Steel', Sir Alexander 'Alex' Vesey in 'Mother Love', gambler John Grey in 'Trainer', Dr. Joseph Bloom in 'VR-5', the wheelchair and ventilator bound criminal mastermind Mobius in 'Team Knight Rider' and Walter Thornhill in 'The Education of Max Bickford'. His film credits include 'Violent Playground', 'Robbery Under Arms', 'A Night to Remember', 'Freud: The Secret Passion', 'Billy Budd', 'The Great Escape' and 'The Greatest Story Ever Told'. He also recorded four albums during his early career. Most recently, he became an author with the crime novel 'Once a Crooked Man'.
