Sydney's dad, Jack, was a CIA double agent working against SD-6 on this Jennifer Garner show
It is 
then that Sydney is told by her father Jack Bristow (another SD-6 agent) that SD-6 
is... [DOC] [TLE] Sydney Bristow - Wikipedia [PAR] Sydney Anne Bristow (played by Jennifer Garner) is a fictional character and the 
protagonist of ...