Question: Which Swiss actress and opera director was in the film Time of the Wolf?

Context paragraphs:
Time of the Wolf (2002 film): Time of the Wolf is a 2002 drama film about an orphan boy who goes to live with his only surviving relatives.  The film stars Burt Reynolds, Marthe Keller and Devin Douglas Drewitz.  It was filmed in Toronto, Ontario, Canada

Carroll Freeman: Carroll Freeman is an American operatic tenor, opera director, and music educator.  He began his career as a prominent boy soprano in the 1960s.  From the late 1970s through the mid 1990s he performed widely as a tenor with opera companies and orchestras in the United States.  After that he worked as a director of opera productions with opera companies throughout North America.  He is the former director of the opera program at the University of Tennessee and currently directs the opera program at Georgia State University.  He is also the former Artistic Director of Mississippi Opera, Opera in the Ozarks at Inspiration Point, and opera studios at Knoxville Opera and Des Moines Metro Opera.

John Fisher (opera director): John Fisher (born 29 July 1950) is a Scottish opera director, conductor, opera manager, vocal coach, and record producer.  The former Artistic Administrator of La Scala in Milan, he served as the Chief Executive and Artistic Director of the Welsh National Opera (WNO) from 2006 until 2011.  He has worked as a record producer of opera recordings for both Deutsche Grammophon and Decca Records, and collaborated with opera director Jean-Pierre Ponnelle on several opera films for Unitel Films.

Yuri Alexandrov (director): Yuri Isaakovich Alexandrov is a Russian opera director.  His 1999 production of Prokofiev‘s Semyon Kotko won The Golden Mask (Russia‘s highest theatre award) in the categories of "Best Opera Production", "Best Opera Director", "Best Opera Designer", and "Best Opera Conductor".

Christopher Alden (director): Christopher Alden (born 1949 in New York) is an American theater and opera director.  He is the twin brother of David Alden, also an opera director.  Both brothers belong to a generation of modernist directors that includes Robert Wilson and Peter Sellars.  and are known for staging revisionist productions of opera.

Patrick Kinmonth: Patrick Charles Kinmonth (born 27 August 1957) is an Anglo-Irish opera director and designer, filmmaker, writer, painter, interior designer, art editor, creative director and curator.  He is widely known for his many stage, costume, interior and architectural designs and has been recognised internationally for the breadth and depth of his creative interests.  His many collaborations have yielded landmark opera, ballet and dance productions, books and exhibitions.  Kinmonth is working principally as an opera director and has been awarded and acknowledged for the quality of his work as exhibition curator, designer in many fields and general creative force.  He has been described as "a contemporary example of the Renaissance man" and "one of the most indefinable personalities of contemporary art".

Karl Aagard Østvig: Karl Aagaard Østvig (sometimes Germanized to Oestvig) (17 May 1889 – 21 July 1968) was a Norwegian operatic tenor, opera director, and voice teacher.  The Norwegian Music History Archive states that he is the greatest dramatic tenor in Norwegian history, and that he was particularly admired for his portrayals in operas by Giacomo Puccini, Richard Strauss and above all Richard Wagner.  His voice was described by soprano Lotte Lehmann as "a dazzling meteor".  Although he toured internationally in concerts, operas, and recitals, his singing career was mainly centered in Austria and Germany from his debut in 1914 up until his retirement from the stage in 1933.  From 1932 on he lived in Oslo where he was primarily active as an opera director and singing teacher.  He made only a few recordings during his career, all for Polydor Records.

Lotfi Mansouri: Lotfollah "Lotfi" Mansouri (15 June 1929 – 30 August 2013) was an Iranian-born opera director and manager.  He was an opera director from about 1960 onwards, and is best known for being the General Director of the Canadian Opera Company and of the San Francisco Opera from 1988 through 2001.  In 1992 he became a "Chevalier" of France's Ordre des Arts et des Lettres, and the subject of a 1998 biography.

Adelaide Bishop: Adelaide Bishop (23 June 1928 – 20 June 2008) was an American operatic soprano, musical theatre actress, opera director, stage director, and voice teacher.  She began her career appearing in Broadway musicals as a teenager during the early 1940s.  She became a principal soprano with the New York City Opera (NYCO) in 1948, where she performed through 1960 in a broad repertoire encompassing German, French, Italian, and English operas from a variety of musical periods.  In the late 1950s, she started working actively as a stage director and as a voice teacher, working with many opera companies throughout the United States and serving on the music faculties of several different American universities.  She also served as the artistic director of the Wolf Trap Opera for many years.

Marthe Keller: Marthe Keller (born 28 January 1945) is a Swiss actress and opera director.

Supporting paragraphs: Time of the Wolf (2002 film) Marthe Keller
Answer: Marthe Keller