Sean O'Neill has been involved with

• The Parnassus Players - Writer & Producer

  23:00, Fri 25th June 2021 - Sat 26th June 2021 at ADC Theatre
  

• Smorgasbord - Panellist

  19:00, Mon 9th November 2020 at Youtube
  

• A Festival of New Writing 2020 - Actor

  19:30, Thu 5th March 2020 - Sat 7th March 2020 at Howard Theatre, Downing College
  

• Those Left Behind - Ian

  19:30, Wed 26th February 2020 - Sat 29th February 2020 at Robinson College Auditorium
  

• Smorgasbord - Writer (The Parnassus Plays)

  21:30, Mon 24th February 2020 at Corpus Playroom
  

• Julius Caesar - Cinna/Servant/Titinius

  19:00, Tue 4th February 2020 - Sat 8th February 2020 at Corpus Playroom
  

• The Lady Margaret Players Present: Scratch Night! - Performers, Writers, Directors

  21:30, Thu 23rd January 2020 at The Maypole Pub
  

• CADS Panto 2019: When Harry Met Sue - Creative Contributor, Harry

  19:30, Tue 3rd December 2019 - Thu 5th December 2019 at Christ's New Court Theatre
  

• CU Show Choir: Seasons of Love - Performer

  23:00, Mon 2nd December 2019 - Tue 3rd December 2019 at ADC Theatre
  

• Rust - Jude

  23:00, Wed 13th November 2019 - Sat 16th November 2019 at ADC Theatre
  

• HATCH: Michaelmas '19 - Writer, Director

  20:00, Fri 25th October 2019 at ADC Theatre (Larkum Studio)
  

• Rust - Jude

  15:10, Fri 2nd August 2019 - Sat 10th August 2019 at theSpace @ Niddry Street
  13:55, Mon 12th August 2019 - Sat 17th August 2019 at theSpace @ Venue 45
  13:55, Mon 19th August 2019 - Sat 24th August 2019 at theSpace @ Venue 45
  

• Much Ado About Nothing - Verges

  18:00, Thu 20th June 2019 - Sat 22nd June 2019 at Christ's Fellows Garden
  

• Twelfth Night: Clare May Week Play - Orsino

  14:00, Tue 18th June 2019 - Thu 20th June 2019 at Clare Fellows' Garden
  

• CUMTS Bar Night - Host

  20:00, Mon 20th May 2019 at ADC Theatre (Bar)
  

• Legally Blonde - Callahan

  19:45, Wed 13th March 2019 - Sat 16th March 2019 at ADC Theatre
  14:30, Sat 16th March 2019 at ADC Theatre
  19:45, Mon 18th March 2019 - Sat 23rd March 2019 at ADC Theatre
  14:30, Thu 21st March 2019 at ADC Theatre
  14:30, Sat 23rd March 2019 at ADC Theatre
  

• CU Show Choir: The Evolution of Music - Performer

  23:00, Wed 13th March 2019 at ADC Theatre
  

• Musical Theatre Bar Night: Old and New - Performer

  20:00, Mon 4th March 2019 at ADC Theatre (Bar)
  

• Musical Theatre Bar Night: Miscast - Performer

  20:00, Mon 4th February 2019 at ADC Theatre (Bar)
  

• CU Show Choir: The Greatest Show - Performer

  23:00, Tue 27th November 2018 at ADC Theatre
  

• Musical Theatre Bar Night - Performer

  20:00, Mon 29th October 2018 at ADC Theatre (Bar)
  

• Musical Theatre Bar Night: Freshers' Set - Performer

  20:00, Mon 15th October 2018 at ADC Theatre (Bar)