Thursday Link-A-Mania

• Alex (River Song) Kingston becomes the second Doctor Who star (after John Barrowman) to join the cast of the CW’s smash hit Arrow in a recurring role. She will play Dinah Lance, the estranged mother of Laurel (Katie Cassidy) and ex-wife of Quentin (Paul Blackthorne). Lance will return to Starling City to make amends with the family that she abandoned following the death of her daughter Sarah (Jacqueline MacInnes Wood). [via Entertainment Weekly]

•  CraveOnline has some details on how Lionsgate and WWE Studios plan to reboot the Leprechaun franchise with Leprechaun: Origins. “The tone is going to be a little darker,” says WWE Studios president Michael Luisi. “A little more traditional horror than the Warwick Davis ones that people remember. We’re trying to find a way to please fans of that genre but, at the same time, this is really being played for scares.” Four foot four inch WWE star Dylan “Hornswoggle” Postl is attached to eponymous character.

• Various sites, including Coming Soon, are getting very excited about the final page of the first issue of IDW’s Star Trek: Countdown To Darkness prequel comic. The revelation may or may not have any bearing on the film, but just in case it does and you don’t want want to be spoiled we won’t reveal anything here. If you don’t care about being spoiler, click on the link. (All of which may make the revelations sound a lot more exciting than it actually is… we don’t want to oversell this.)

Marvel’s SHIELD has officially begun production and Marvel has launched official Facebook and Twitter accounts you can follow for continuous updates about the new series.

• New TV trailer for Jack The Giant Slayer:

• The CW is having a second-stab at Hunger Games-ish TV show The Selection. A pilot was made last year  but the show wasn’t given the green light. Now, according to TVLine, the CW has ordered a second, revamped pilot. Set 300 years in the future, The Selection is an epic romance centering on a working class young woman chosen by lottery to participate in a competition with 25 other ladies for the Royal Prince’s hand to become the nation’s next queen. Exec producers Elizabeth Craft and Sarah Fain (Dollhouse, Vampire Diaries) remain as showrunners.