Disney has released a new teaser video for their upcoming film Alice Through the Looking Glass, the long-awaited sequel to Tim Burton’s 2010 epic Alice In Wonderland. The new video features a voiceover by one of the film’s returning stars, the late Alan Rickman, passed away last month.

Watch the new 30-second teaser video here below.

Rickman can also be heard at the beginning of the film’s trailer, which was released back in November. For the new film, the actor reprised his voice role of Absolem the Caterpillar, and in the new teaser, he tells the title character, “You’ve been gone too long, Alice,” and that “there are matters which cannot be neglected.”

Directed by James Bobin (Muppets Most Wanted) with Tim Burton on as producer, Alice Through the Looking Glass sees Alice (Mia Wasikowska) go back in time to save the Mad Hatter (Johnny Depp), and goes up against Time (Sacha Baron Cohen). Anne Hathaway is back as the White Queen, with Helena Bonham Carter as the wicked Red Queen. Returning to their voice roles along with Rickman are Stephen Fry, Michael Sheen, and Timothy Spall, while Rhys Ifans comes aboard for the first time as Zanik Hightopp, the Mad Hatter’s father.

Alice Through the Looking Glass hits theaters on May 27, 2016.

In Disney’s “Alice Through the Looking Glass,” an all-new spectacular adventure featuring the unforgettable characters from Lewis Carroll’s beloved stories, Alice returns to the whimsical world of Underland and travels back in time to save the Mad Hatter. Directed by James Bobin, who brings his own unique vision to the spectacular world Tim Burton created on screen in 2010 with “Alice in Wonderland,” the film is written by Linda Woolverton based on characters created by Lewis Carroll and produced by Joe Roth, Suzanne Todd and Jennifer Todd and Tim Burton with John G. Scotti serving as executive producer. “Alice Through the Looking Glass” reunites the all-star cast from the worldwide blockbuster phenomenon, including: Johnny Depp, Anne Hathaway, Mia Wasikowska and Helena Bonham Carter along with the voices of Alan Rickman, Stephen Fry, Michael Sheen and Timothy Spall. We are also introduced to several new characters: Zanik Hightopp (Rhys Ifans), the Mad Hatter’s father and Time himself (Sacha Baron Cohen), a peculiar creature who is part human, part clock.

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It's about Time. See Alice Through the Looking Glass in theatres May 27. 🕐https://t.co/CZrGJEEmeu

— Disney (@Disney) February 1, 2016

[Source: @Disney]