Question: What retired film, television and musical theatre actress starred in the 1948 comedy "Are You With It?"

Context paragraphs:
Trouble Makers (1948 film): Trouble Makers is a 1948 comedy film starring The Bowery Boys.  The film was released in 1948 by Monogram Pictures, although the exact release date is uncertain, although two possible released dates are mentioned in different books, December 10, 1948 and December 26, 1948.  It is the twelfth film in the series.

Patricia Neway: Patricia Neway (September 30, 1919 – January 24, 2012) was an American operatic soprano and musical theatre actress who had an active international career during the mid-1940s through the 1970s.  One of the few performers of her day to enjoy equal success on both the opera and musical theatre stages, she was a regular performer on both Broadway and at the New York City Opera during the 1950s and 1960s.

Lisa (South Korean singer): Jung Hee-seon (born February 25, 1980), known professionally as Lisa, is a South Korean singer and musical theatre actress.  She is best known in musical theatre, and has starred in Korean productions of "Hedwig and the Angry Inch", "Jekyll & Hyde" and "Rebecca".

Kim So-hyun (actress, born 1975): Kim So-hyun (born November 11, 1975) is a South Korean musical theatre actress.  She graduated from Seoul National University's College of Music and appeared in several operas, before making her official acting debut in 2001 as Christine Daaé in "The Phantom of the Opera".  She immediately rose to musical theatre stardom and has since starred in South Korean stage productions of "Jekyll & Hyde", "My Fair Lady", "The Three Musketeers", "Elisabeth", and "Marie Antoinette".

John Kenrick (theatre writer): John Kenrick (born October 3, 1959) is an American author, teacher and theatre and film historian.  Kenrick is an adjunct teacher of musical theatre history at New York University, Brind School – University of the Arts (Philadelphia) and The New School, and lectures frequently on the subject elsewhere.  His 2008 book "Musical Theatre: A History" is a comprehensive history of musical theatre from ancient times to the present.  Kenrick is the curator of the extensive musical theatre and film website "Musicals101.com: The Cyber Encyclopedia of Musical Theatre, TV and Film"

Smugglers' Cove: Smuggler's Cove is a 1948 comedy film starring The Bowery Boys.  The film was released on October 10, 1948 by Monogram Pictures and is the eleventh film in the series.

Are You with It?: Are You With It?  is a 1948 American musical comedy film about a young insurance man who quits his job to join a traveling carnival.  The film is based on the 1945 Broadway musical of the same name and the novel "Slightly Perfect" by George Malcolm-Smith.  The film stars Donald O'Connor, Olga San Juan, Martha Stewart and Lew Parker.  Parker reprised his role from the musical.

Martha Stewart (actress): Martha Stewart (born Martha Haworth; October 7, 1922) is a retired American singer and film, television and musical theatre actress.

Peter Hamel: Peter Hamel (1911–1979) was a German screenwriter and a director of film and television.  He appeared as himself in the 1948 comedy "Film Without a Title".  He is the father of the composer Peter Michael Hamel.

Chryso Stamatopoulou: Chryso Stamatopoulou (in Greek Χρυσώ Σταματοπούλου) is a Greek rock singer, composer, musical theatre actress, vocal coach and lead singer of romantic folk metal band Chrysilia.  She is mostly known for her two greek rock studio albums ("San Anemos" 2001 and "Akatorthoto" 2012) and her participation in the popular prime time live music show "Amstel live" which was broadcast on Greek TV channel "Skai" for three seasons.  She is sister of Greek pop diva Mando (in Greek Μαντώ).  She won the second position in UNICEF's "Danny Kaye Awards" at the age of 13 and she has participated twice in the Eurovision Song Contest as a backing vocalist, with her sister Mando in 2003 and with Belarus in 2005.  In 2002-2003, she also performed on stage as "Taptim", taking the lead from fellow singer/actress Evridiki, in the musical "The King and I", produced by actress/director Mimi Denisi.  Her third album is being released on the 12th of October 2017 with her band "Chrysilia", in symphonic rock/ romantic heavy metal style.  Being an accomplished Contemporary Vocals Professor, she is teaching in three Music Schools in Athens, including one of the largest music schools in the world, Modern Music School.  In 2014-2015, she performed in the Greek version of "The Sound of Music", the most expensive musical theatre production in Greece.

Supporting paragraphs: Are You with It? Martha Stewart (actress)
Answer: Martha Stewart