Question: What nationality is the Unman, Wittering, and Zigo star who also performed in theatre productions?
Context: The English actor Benedict Cumberbatch has performed in many films, television shows, theatre productions, and recorded lines for various radio programs, narrations, and video games.  He first performed for The New Shakespeare Company at Open Air Theatre, Regent's Park for two seasons.  He later portrayed George Tesman in Richard Eyre's revival of "Hedda Gabler" in 2005 and since then has starred in the Royal National Theatre productions "After the Dance" (2010) and "Frankenstein" (2011).  In 2015, he played William Shakespeare's "Hamlet" at the Barbican Theatre. Caravan Farm Theatre is a professional outdoor theatre company operated by the Bill Miner Society for Cultural Advancement.  The theatre is based on an 80 acre farm, 11 kilometres northwest of Armstrong, British Columbia.  Caravan Farm Theatre productions are always mounted outdoors in site-specific locations, with audiences of up to 500 at its farm location, three seasons of the year.  Annually, Caravan Farm Theatre productions attract between 13,000 and 16,000 theatre-goers each year. Hale was born and raised in Santa Barbara, CA to Diane Hale and James Hale.  She is the youngest of two daughters.  Hale was raised in the AME church where she began singing at the age of 5.  She started playing piano at age 7 and writing her own songs at 9 years old.  She participated in school choir, school theatre productions and community theatre productions throughout high school.  She was the lead in two high school productions.  After graduating from Dos Pueblos High School in 2003, Hale attended Azusa Pacific University where she majored in vocal performance (opera) with a minor in musical theater.  Hale has stated numerous times that opera training has given her the stamina to perform pop music for longer periods of time.  During her junior year of college, Hale took a semester off in order to perform live and work on an album.  She performed at venues in Los Angeles such as The Knitting Factory in order to gain experience.  She returned to Azusa Pacific University the following year in order to complete her degree.  She graduated in 2007 with a bachelor's degree in vocal performance and a minor in musical theatre at the age of 20. Unman, Wittering and Zigo is a 1958 radio play by the Anglo-Irish playwright Giles Cooper. Chris Tally Evans is a British disabled artist, actor, director and writer.  He trained at the Royal Welsh College of Music and Drama as a performer and graduated from Trinity College, London with a teaching diploma.  Evans' interest in theatre and music started as a teenager when he joined West Glamorgan Youth Theatre and West Glamorgan Youth Arts Company as an actor, dancer and musician.  He was lead guitarist for the West Glamorgan Youth Arts Company production of Leonard Bernstein's "Mass" at Swansea's Brangwyn Hall and London's Wembley Arena and was a dancer in Vaughan Williams' "Job" at a performance attended by Prince Charles and Princess Diana in 1981.  In both these productions he shared the stage with Russell T Davies, writer and producer of Dr Who.  By the age of 14 he was playing the guitar semi-professionally in pubs and clubs in the Swansea area, as well as for a number of theatre shows.  For two years at this time he was lead guitarist in the backing band of a very young Catherine Zeta-Jones.  Later Evans played in a number of bands including the electric folk band Straight From the Wood who chalked up memorable appearances at Club Ifor Bach, Cardiff, Gwyl Pontardawe Festival and the Village Pump Folk Festival in Trowbridge.  Evans has had both poetry and prose published, directed many theatre productions and has performed himself in the United States, Canada, Poland and New Zealand.  His film work was exhibited at the John F. Kennedy Center for the Performing Arts, Washington DC, in 2011.  The Arts Council of Wales granted Evans a Major Creative Wales Award in 2009 and he performed work created at this time at the InterACT Disability Arts Festival in Auckland, New Zealand.  His unlimited commission, "Turning Points", was shown in the Southbank Centre, London during the 2012 Paralympic Games and then went on to be exhibited in Doha, Qatar in 2013 as part of the Middle East’s first ever disability arts festival.  He has featured in HTV’s award winning documentary, One in Six, on BBC 2W’s The Arts Show, and wrote and performed a 5-part series for BBC Radio 4 called "My Mile of the River".  His March 2014 production, "21st Century Dinosaurs", with a visually impaired cast, was reviewed favourably by Sarah Finch of National Theatre Wales.  He wrote, performed and made video content for National Theatre Wales/Celf o Gwmpas' Big Democracy Project which responded to the question "Are disabled people an easy target for the cuts?"  in June 2015.  In 2015 he was appointed a National Adviser to the Arts Council of Wales. Burgfestspiele Bad Vilbel is a theatre festival in Bad Vilbel Germany.  The Burgfestspiele Bad Vilbel founded in 1987 performing from June to September in the historic scenery of the water castle Bad Vilbel.  Beside own theatre productions, musicals, an own child program and smaller theatre productions in the cellar, the program of the open air theater is completed by guest performances. George Anthony David Haygarth (4 February 1945 – 10 March 2017) was an English television, film and theatre actor. Lin Tucci (born February 8, 1960) is an American actress.  Tucci is known for her performance as Henrietta "Mama" Bazoom in the film "Showgirls" (1995).  She also performed in the number of theatre productions, and co-starred in several films. Unman, Wittering and Zigo is a 1971 British thriller film directed by John Mackenzie and starring David Hemmings, Douglas Wilmer and Tony Haygarth.  It is adapted by Simon Raven from Giles Cooper's 1958 radio drama "Unman, Wittering and Zigo".  A new teacher arrives at a school and begins to suspect his predecessor was murdered by the pupils, though his suspicions are written off as paranoia.  He sets out to prevent the same fate from befalling him. The Dukes in Lancaster, Lancashire, England, formerly known as the Duke's Playhouse, is a professional producing theatre, currently producing six theatre productions a year.  It also hosts outside companies and arts festivals.  It has three auditoria, the largest (named "The Rake") seating approximately 313, a studio theatre "The Round" seating approximately 240 and a youth specific space, "DT3".  The largest auditorium is also used for screening films, and the theatre has a reputation for independent cinema.  Since 1986 the Duke's has also produced annual open-air, walkabout theatre productions at Williamson Park in the city every summer, thought to be the largest outdoor promenade theatre event in the UK.
Answer: English