Who is the little old lady with the hat sitting in dozens of Perry Mason trials?

Here is a deep mystery that even Paul Drake can't solve.

Watch Perry Mason Season 1

Perry Mason's lone Halloween episode showcases loads of classic horror talent

A tribute to Perry Mason's overlooked receptionist, Gertie

Matthew Rhys Says HBO's Detective Drama Is 'Not Your Father's 'Perry Mason' - Parade

Raymond Burr's Perry Mason regrets

Toni Gerry and Otto Waldis in Perry Mason (1957)

Agnes Mason's Instagram, Twitter & Facebook on IDCrawl

Is this the most mysterious lovely lady we ever met in Mayberry?

Opinion: How a historian helped TV's 'Perry Mason' find the real Latinx L.A. - Los Angeles Times

Perry Mason: Season 1, Episode 31

A tribute to Perry Mason's overlooked receptionist, Gertie

Perry Mason The Case of the Fiery Fingers (TV Episode 1958) - IMDb

Agnes Mason's Instagram, Twitter & Facebook on IDCrawl

Who is the little old lady with the hat sitting in dozens of Perry Mason trials?

Who is the little old lady with the hat sitting in dozens of Perry Mason trials?