How many movies have John Harron and John J. Richardson acted in together?

They have worked on 30 movies together! Their first movie together was Marked Woman (1937) while their highest rated movie together was The Roaring Twenties (1939). They have not worked together since A Fugitive from Justice (1940).

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Cab Driver (uncredited)
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Photographer at Train Station (uncredited)
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Third Reporter (uncredited)
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4h Reporter (uncredited)
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Soldier (uncredited)
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Sleeping Train Passenger (uncredited)
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Reporter at Trial (uncredited)
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Trial Spectator (uncredited)
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American Tourist
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Man in O'Grady Crowd
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Reporter (uncredited)
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Dish Vendor (uncredited)
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Motorcycle Policeman
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Taxi Driver (uncredited)
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Process Server (uncredited)
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Airport Man Getting Hose Out (uncredited)
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President Cleveland's Secretary (uncredited)
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Would-Be Settler (uncredited)
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Agent Cliff Durell
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Alien - First Flight
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Belga Line Steward
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Husband Leaving Train
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Chauffeur (uncredited)
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Party Guest (uncredited)
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First Fight Radio Announcer (uncredited)
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Reporter (uncredited)
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G-Man (uncredited)
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Townsman Running (uncredited)
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First Mate (uncredited)
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Jack Richardson (uncredited)
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Spieler at Carnival (uncredited)
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Man Warning Matt That the Balloon Was Up (uncredited)
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Gus - Policeman at Morgue
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Ring Attendant
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Man With Street Radio Reporter
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$45 Bidder
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Mr. Chet Maxfield
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Chick Morgan's Mechanic (uncredited)
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Pvt. Murphy
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Pvt. Nelson - Hackett's Orderly
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Thatcher Hospital Orderly (uncredited)
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Cabbie (uncredited)
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Harris (as Jack Harron)
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Trustee-Window Washer-Spy (uncredited)
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Charlie - Bus Driver
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Studio Worker Extra (uncredited)
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Cabbie #1 (uncredited)
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Man in Line-Up (uncredited)