Pictured: John Simm poses in happy family photo with the man he always believed was his biological father until shock revelation on DNA Journey proved him wrong
Actor John Simm is stunned to discover his beloved dad was NOT his biological father during emotional episode of ITV's DNA journey
ITV's John Simm discovers real dad's identity in emotional DNA Journey scenes
Grace actor John Simm's rarely-seen kids and gorgeous soap star wife
John Simm's 'greatest fear' about his children as he's 'constantly terrified'
Inside Grace actor John Simm's love life - from Spice Girl ex to stunning soap star wife
