How did they make Paul Rudd small?

How did they make Paul Rudd small?

While filming The Shrink Next Door, Paul was totally disguised with white hair and a greying beard for a salt-and-pepper look. He donned a suit and glasses for his costume and had on a clear face shield to follow proper COVID-19 protocols on set. His shocking transformation helped him get into character to play Dr. Apr 29, 2021

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