Robert Downey Jr. Says, "Talk to me, Twitter."

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After finally joining Twitter, the Iron Man star generated more than 55,000 followers after his first tweet.

The West Wing Cast: Walk & Tweet

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twitter,the west wing,dule hill,jay carney,richard schiff,allison janney,joshua malina
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After The West Wing star, Allison Janney premiered her twitter account, her former castmates came out of the woodwork to blow up twitter and plan a reunion dinner. All the while, Janney just took questions from the real-life counterpart to her West Wing character C.J. Cregg.

Take a look at the full conversation including Janney, Richard Schiff, Joshua Malina, Dule Hill, Mary McCormack and Kristin Chenoweth.

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