The guest stars of “Target” and “Hunt” posted many tweets and photos while filming the episode. They each gave a behind the scenes look at the episode.
Crystal Allen, who played Pauline Degarmo, tweeted about filming and working with Stana.
Working a guest spot on @Castle_Abc tomorrow!
— crystal allen (@ItsCrystalAllen) January 22, 2013
Can't say much about this episode but Stana is an incredible actress and very funny. Lucky to have worked w her on @Castle_ABC
— crystal allen (@ItsCrystalAllen) January 23, 2013
Castle Turns 100! My episode is 2nd part of a 2 episode arc, airs last wk in feb sweeps http://t.co/FPRdvxta #Castle@CastleTV @Castle_ABC
— crystal allen (@ItsCrystalAllen) February 5, 2013
One more week till I guest star on @Castle_ABC alongside Stana Katic. 2nd part of tonight's episode! #Castle @Castle_PA @CastleTV
— crystal allen (@ItsCrystalAllen) February 19, 2013
Tonight I guest star on @Castle_ABC 10pm alongside Stana Katic, 2nd part of 2! #Castle @Castle_PA @CastleTV @BTV_Castle @CastleAddict
— crystal allen (@ItsCrystalAllen) February 25, 2013
For the record I did have a stunt girl do some of the fall #badasschicks #girlpower #CastleHunt @Castle_ABC
— crystal allen (@ItsCrystalAllen) February 26, 2013
Thanks to all for tuning in @Castle_ABC tonight, yep I'm a white trash bitch! Fun role #Stanatic rocks
— crystal allen (@ItsCrystalAllen) February 26, 2013
Stana & I got along great on set, in our scene it was tough to call her a bitch! @CastleAddict @CastleTV @Castle_PA #canadiansrock
— crystal allen (@ItsCrystalAllen) February 26, 2013
Even though last night's @Castle_ABC was more dark than usual, they really r fun & have a blast on the set #StanaKatic is hilarious!
— crystal allen (@ItsCrystalAllen) February 27, 2013
@marisa_ris @castle_abc fantastic! Had no idea the passion of all u fans, lucky to be part of #castle FYI I'm actually not that mean
— crystal allen (@ItsCrystalAllen) February 28, 2013
@polar_hp @stana_katic @nathanfillion worked w Stana, yes,cool woman! Met Nathan at a festival, both fantastic Canucks! #CanadiansRock
— crystal allen (@ItsCrystalAllen) February 6, 2013
Serdar Kalsin (man) and Morgan Brown (Ted Archer) also joined in with tweets and pictures. Brandon Dunaway (FBI Tech) promoted the show along with the others, “Hey if you’re near your TVs, I make an appearance on “Castle” tonight ABC 10 o’clock!” and “Got called back for another episode of “Castle!” Let’s keep it going!”
Wait a minute, Beckett's shrink on Castle is Worf? #KlingonTherapy
— Morgan Peter Brown (@MrMorganPBrown) February 5, 2013
Looks like my episode of Castle has a title/air date! "Target" is coming to your screens February 18th. SPOILER: it's not about the store.
— Morgan Peter Brown (@MrMorganPBrown) February 6, 2013
@NathanFillion Umm, you and I are on TV together next week. That's something, right? …….right?
— Morgan Peter Brown (@MrMorganPBrown) February 14, 2013
I show up for a few on tonight's episode of CASTLE. Talking happens, I hand things to @Stana_Katic and @NathanFillion, high drama ensues.
— Morgan Peter Brown (@MrMorganPBrown) February 18, 2013
The Captain @NathanFillion is straight up bringing it tonight.
— Morgan Peter Brown (@MrMorganPBrown) February 26, 2013
Not gonna lie, it's kinda cool to be a small cog in one of the biggest #Castle two-parters we've ever seen. #SaveAlexis #AmIDoingThisRight?
— Morgan Peter Brown (@MrMorganPBrown) February 26, 2013
James Brolin is apparently available to play everyone's estranged father. #Castle #Community
— Morgan Peter Brown (@MrMorganPBrown) March 8, 2013
Eric Jungman (Bram Stoker) and Sklyer Stone (Douglas Stevens) also joined in.
Hey! Check out my episode of @Castle_ABC tonight at 6pm on @tntweknowdrama I play a perverted professor named Bram Stoker. So there's that..
— Eric Jungmann (@TheEricJungmann) October 29, 2013
Got booked 4 a guest star on ABC's Castle! Great meaty role (FYI show has nothing 2 do w/ castles & ABC is not a place u learn the alphabet)
— Skyler Stone (@theskylerstone) January 10, 2013
BRAG ALERT – I'm working with that dude that plays Castle Tues! #goldenglobes
— Skyler Stone (@theskylerstone) January 14, 2013
So there R no castles on the set of Castle. Last time I was this disappointed workin on a show was when there were no midgets on Smallville
— Skyler Stone (@theskylerstone) January 16, 2013
I am on Castle Monday the 18th on ABC. Great role. Oh and in case u are wondering @nathanfillion is a true genuine guy in this crazy biz.
— Skyler Stone (@theskylerstone) February 8, 2013
Not sure what any of these so-called "presidents" ever did but I will be on Castle on ABC this Monday on our nation's holiday.
— Skyler Stone (@theskylerstone) February 16, 2013
Karen David (Sara El-Masri) who played tweeted about her experience.
To all the #Castle fans on FB and twitter, thank you so much for the warm welcome. I had a brilliant time playing… http://t.co/XOpKpswsDX
— KarenDavid (@KarenDavid) February 26, 2013
YAY! 2 Part special of Castle racks in the highest ratings for last week's and last night's episodes. You guys… http://t.co/cLd3W7X7Xd
— KarenDavid (@KarenDavid) February 26, 2013
@jasmith128 Bless, thanks so much Julie. I'm so chuffed you enjoyed the 2 part special. Had so much fun filming on the show. #Castle
— KarenDavid (@KarenDavid) March 27, 2013
@Jon_Huertas Hey Jon.Thanks so much for RT'ing the link to my #Daydreamer video.Coming from u,it means a lot.Had so much fun on @CastleTV.xo
— KarenDavid (@KarenDavid) August 6, 2013
Love the Castle tv show, family. Just got a retweet for my #Daydreamer video, from Jon Huertas . Thank you… http://t.co/LdATqauDvL
— KarenDavid (@KarenDavid) August 6, 2013
@Her_Kitten Thanks lovely. I had such a wonderful time filming on Castle.
xo
— KarenDavid (@KarenDavid) August 22, 2013
For more behind the scenes tweets check out Karen, Skyler, Eric, Morgan, and Crystal on Twitter and Facebook.
“Worked on “Castle” yesterday!!”
“Here’s a shot of me scared to death of Beckett after she kicks me off my chair! Fun #castle @Castle_ABC “
“On set of @Castle_Abc shooting a scene w Stana Katic a fellow Canadian! “
“With the lovely and super talented, Molly Quinn and her beautiful mother at wrap time on set. xo”
“What’s my name again? 
On the set of the show “CASTLE”"