Washington DC, March 21 -- The '1923' series fame Robert Patrick and actor Beau Knapp who is known for the action-packed thriller drama SEAL Team have joined the regular cast of Taylor Sheridan's 'Tulsa King' for Season 3, reported Deadline.

The production for the third season of this Sylvester Stallone-led series is currently underway in Atlanta and Oklahoma.

As per Variety, the series follows New York mafia capo Dwight "The General" Manfredi (Stallone), just after he is released from prison after 25 years and unceremoniously exiled by his boss to set up shop in Tulsa, Okla.

Realizing that his mob family may not have his best interests in mind, Dwight slowly builds a "crew" from a group of unlikely characters to help him establish a n...