Film & Television
Industry Alliance

Four Factor Productions

5808 W Sunset Blvd, Los Angeles, CA 90028, USA

Four Factor Productions is a company with 1 production listed on Production List, most recently Avatar: The Last Airbender (completed). Key staff on file include Dan Lin (producer), Ryan Halprin (producer) and PoPing AuYeung (casting director). Production List last updated this listing on June 10, 2026.

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1 Project3 StaffUpdated Jun 10, 2026

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About

Four Factor Productions, LLC is a small production company incorporated as a foreign entity in the State of California on September 12, 2018, with a known address at 5808 W Sunset Blvd, Los Angeles, CA 90028 — a commercial building in the Hollywood/West Hollywood corridor. Very limited public information is available about this entity's activity, ownership, or output, and it does not appear to maintain a public-facing web presence.

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Contact details for Four Factor Productions (address) are on file at Production List, last updated June 10, 2026, and are available to members. Direct contacts are also on file for 3 members of staff. Membership is $29.95 for the first month.

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Key Staff · 3

Contact info for members
D
Dan Lin

Producer

R
Ryan Halprin

Producer

P
PoPing AuYeung

Casting Director

Productions · 1

Avatar: The Last Airbender
Series
completed

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Source: Production List, published by the Film & Television Industry Alliance. Cite this page as https://www.productionlist.com/production-contact/four-factor-productions (last updated Jun 10, 2026).