Ben Affleck reveals why he cast ex-wife Jennifer Garner as his love interest in new film only to recast her

Ben Affleck reveals why he cast ex-wife Jennifer Garner as his love interest in new film only to recast her

Affleck shares kids Violet, 20, Fin, 17, and Samuel, 14, and originally thought Garner would be a great pick to portray his character's wife for practical reasons.