After thinking about it for years, he finally 'threw/flung/cast caution to the wind', quit his job, and started his own company.
The scandal 'cast a cloud' over his presidency. [=people thought the President did something wrong]
The 'cast of characters' includes President Johnson and his top advisers during the Vietnam War.
(..) Get out of here. Don't you dare turn around and come back. For if you do, all the armies of my boot will kick you in the teeth and you will be cast up and thrown in the dirt and thrust back to perdition! And as long as I have teeth, I will bite you, and if I have no teeth, I will gum you! (..)2007 There Will Be Blood
(..) you have arthritis, don't you? -Yes, I do, Eli. -Yes. The devil is in your hands, and I will suck it out. Now, I will not cast this ghost out with a fever for the new spirit inside me has shown me I have a new way to communicate. It is a gentle whisper. Get out of here, ghost. (..)2007 There Will Be Blood