Tom Cruise's 'Knight & Day' filming at Jacob Wirth

Crews with the Tom Cruise and Cameron Diaz spy-comedy "Knight & Day," formerly known as "Wichita," set up shop outside of the Jacob Wirth Restaurant located at 31 Stuart St. in Boston's Theatre District.

Based on the production signs outside of the restaurant, filming is slotted to kick off in the late hours of Wednesday, Oct. 21 and continue until Thursday, Oct. 22.

A Boston favorite since 1868, Jacob Wirth is an authentic German restaurant and beer hall that attracts a cross-section of regulars and theater-going tourists. During filming, the old-school haunt is closed.

The scene centers around a wedding reception for Diaz's on-screen sister played by Maggie Grace, known for her work as the poor little rich girl Shannon Rutherford on ABC's "Lost" series. In the film, Diaz will stand-in for their late father and walk Grace's character down the aisle.

In "Knight & Day," Cruise and Diaz have a glamorous and sometimes deadly adventure, where nothing and no one--even the now fugitive couple--are what they seem.

Amid shifting alliances and unexpected betrayals, they race across the globe, with their survival ultimately hinging on the battle of truth versus trust. "Knight & Day" is slotted to hit theaters on July 2, 2010.

Co-stars include Peter Sarsgaard (“An Education”) as a federal agent relentlessly pursuing the couple; Viola Davis (“Doubt”) as a CIA director trying to decipher the true purpose of their high-wire activities; Paul Dano (“There Will Be Blood”) as an eccentric genius behind a revolutionary technology; and Olivier Martinez (“Unfaithful”) as a ruthless arms manufacturer. Co-starring are Maggie Grace (“Taken”) and Marc Blucas (“Buffy the Vampire Slayer”).

Click here for the latest on "Knight & Day."