"Castle" season 7 spoilers bared that the premiere episode will be penned by the new showrunner David Amman, as Nathan Fillion and Stana Katic to return for production along with new casts.

Michael Ausiello revealed "Castle" season 7 spoilers to TVLine when he wrote that David Amman will write the opener for the seventh season and Rob Bowman will helm the episode. Rob Bowman directed the episodes "Time Will Tell" and "In the Belly of the Beast," which have become fan favorites.

 "And now, the provocative news: Castle will return with a two-parter, and to that end is casting the guest-starring role of 'Henry,' a highly intelligent yet unassuming gent who's deft at blending into a crowd," he wrote dishing "Castlle" season 7 spoilers.

Nathan Fillion and Stana Katic, TVLine reported, are also expected to deal with the "Hamptons police sergeant, a doctor, a shrink and... a Coast Guard captain?!"

Meanwhile, Cartermatt also dished out "Castle" season 7 spoilers when it revealed that "within this coming week much of the cast and crew will be back at it, working to ensure that new episodes are being made for the fall."

Although the website said that it heard July 16 as the official start date, "but we've learned throughout the past few years that it's better to be a little flexible."

Creator Andrew Marlowe earlier dished out "Castle" season 7 spoilers when he posted on Twitter a teaser photo along with the caption: "Wanna see a cool picture of my office light switch? I find it fascinating."

The photo showed that there are 23 episodes for season 7 of Castle.

According to Unreality Primetime website, episodes 11 and episode 17 are circled in blue pen.

"What the potential significance of these two episodes are remains to be seen, although it's sure got us curious!" the website said. "Could it be that these are the episodes that James Brolin, aka Castle's Dad, is set to appear in?"

"Castle" season 7 is set to air on ABC this fall.