Question: What stage play did the actress who starred in Many Beautiful Things make her debut in?

Context paragraphs:
Angela McCluskey: Angela McCluskey is a Scottish singer-songwriter based in California.  She performs as a solo artist and as a member of the folk rock group Wild Colonials.  McCluskey has also provided vocals for Curio and recorded the European dance hit and US Mitsubishi commercial hit "Breathe" among other songs with Télépopmusik (on albums "Genetic World" and "Angel Milk").  Angela also sang "Beautiful Things" for American Express and more recently her voice can be heard on the Schick Quattro commercial singing "I’m Not the Girl".  Her songs have appeared on the soundtracks for the films "Rachel Getting Married", "Sherrybaby", "The Beat That My Heart Skipped".  Her music has also been featured in the TV series "Grey's Anatomy".

Newstead Helmet: The Newstead Helmet is an iron Roman cavalry helmet dating to 80–100 AD that was discovered at the site of a Roman fort in Newstead, near Melrose in Roxburghshire, Scotland in 1905.  It is now part of the Newstead Collection at the National Museum in Edinburgh.  The helmet would have been worn by auxiliary cavalrymen in cavalry displays known as "hippika gymnasia".  Its discoverer, Sir James Curle (1862–1944), described the helmet as "one of the most beautiful things that the receding tide of Roman conquest has left behind".

Tell Us Only the Beautiful Things: Tell Us Only the Beautiful Things is an album by vibraphonist Walt Dickerson recorded in 1975 for the Japanese Whynot label.

Michelle Dockery: Michelle Suzanne Dockery (born 15 December 1981) is an English actress and singer.  She is most widely known for her performance as Lady Mary Crawley in the ITV (UK) and PBS (U.S.) television period drama series "Downton Abbey" (2010–15), for which she was nominated for three consecutive Emmy Awards in the category for Outstanding Lead Actress In Drama Series, and a Golden Globe Award nomination.  She made her professional stage debut in "His Dark Materials" in 2004.  For her role as Eliza Doolittle in the 2007 London revival of "Pygmalion", she was nominated for the Evening Standard Award.

Tiny Beautiful Things: Tiny Beautiful Things: Advice on Love and Life from Dear Sugar is a book written by the American author Cheryl Strayed.  The book was published by Vintage Books, a division of Random House Publishing, on July 10, 2012, and debuted at No. 5 on the "New York Times Best Seller list" in the advice and self-help category.  "Tiny Beautiful Things" is a collection of essays compiled from Strayed's "Dear Sugar" advice column, which she wrote anonymously, on "The Rumpus" online literary magazine.

Mavie Marcos: Mavie Marcos (born 29 April 1978) is an American singer and songwriter, currently residing near San Francisco, California.  As part of Andain, Mavie has written songs in partnership with Josh Gabriel since 2001, better known for their early singles "Summer Calling" (2002) and "Beautiful Things" (2003), and the 2012 debut album "You Once Told Me."  As of July 10, 2014, Mavie has also signed with Black Hole to start off the production of a solo album.

Beautiful Things (album): Beautiful Things is the second studio album by Circa Survive's vocalist, Anthony Green.  It was released on January 17, 2012, and peaked at No. 27 on the Billboard 200 chart.

Lihu Park: Lihu Park is a park located in Binhu District, Wuxi, Jiangsu, China.  It covers an area of 300 acres and it is free to the public.  In the late Ming Dynasty, some scholars said that Fan Li and Xi Shi boated here.  So, it becomes more popular because of this legend.  There is a very big Ferris Wheel in the park which you can see the time you get into the park.  There are also other interesting spots in it, such as carousel, maze and The Arctic World.  There are many sculptures in it which are featured in the cold world.  When you get into it, the guards will give you some thick clothes because it is very cold in it but there many beautiful things in it.  The park also has many old buildings behind trees which make them look very mysterious and attractive.  It is next to TaiHu, so you can just go there by boating.

The Beautiful Things That Heaven Bears: "The Beautiful Things That Heaven Bears", is the debut novel of Ethiopian author Dinaw Mengestu.  Published in 2007 by the Penguin Group the novel focuses on the life of Sepha Stephanos, an Ethiopian immigrant living in Washington, D.C. after fleeing his country’s revolution seventeen years earlier.  Running a failing grocery store he ruminates on the past as he faces his own inward crisis of displacement and identity while simultaneously marveling at the gentrification of his neighborhood.  This book took close to four years to write and Mengestu spent the better part of a year reviewing it.  The original version of this novel was published in the UK as "Children of the Revolution".  The name was changed by the publishers before being published in the US because they didn't want the book to sound political.  His novel, The Beautiful Things That Heaven Bears (2007) was translated into 12 languages, and named a New York Times Notable Book.  The book was also awarded the Guardian First Book Award and the Los Angeles Times Art Seidenbaum Award for First Fiction, among numerous other honors.

Many Beautiful Things: Many Beautiful Things is a 2015 documentary film written and directed by Laura Waters Hinson.  It follows the story of 19th century female artist, Lilias Trotter, and her decision to leave her life in England for a life of missionary work in French Algeria.  This film features Michelle Dockery and John Rhys-Davies with the original film score written and performed by Sleeping at Last.

Supporting paragraphs: Many Beautiful Things Michelle Dockery
Answer: His Dark Materials