Yes, that's John Slattery. He guest stars on this episode of Arrested Development.
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A picture of George Bluth Sr, the patriarch of the Bluth family and the founder of Bluth company.
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Arrested Development Quotes

(holding stuffed animals) These are my awards, Mother. From Army. The seal is for marksmanship, and the gorilla is for sand racing. Now if you'll excuse me, they're putting me in something called Hero Squad.

Buster

Oh, mercy me! I forgot that we were in the colonies.

Mrs. Featherbottom