• Arts: Performing Arts: Comedy: Improvisational: Groups  (153)
• Arts: Performing Arts: Theatre: Troupes and Companies  (909)

• Canadian Improv Games - Canada's national festival of improvisation for youth. Regional information, explanation of how to get involved and event details.
• Hudson River Playback Theatre - Audience members' true stories are brought to life from this Mid-Hudson area company. Information on show schedule, information on using playback for schools or business, and contacts.
• Impatients, The - Toronto-based improv ensemble performing short and longform, narrative and character-based. Show details and bulletin board.
• Improvisational Theatre at The College of William & Mary - Williamsburg, VA. Student run performance group founded in 1986. Includes links to other improv sites as well as an improv message board, photos, calendars, and contact information.
• Lunatic Players, The - The Lunatic Players is an improv troupe dedicated to provide entertainment for everyone in communities around the NYC and Long island areas.
• Original Theatre Project - Informal group who endeavour to create original theatre through improvising, writing, experimenting, and rehearsing.
• Pip's Laundry Improv - Improvisational theatre group which does sketches, songs, and scenes made up from the suggestions given by the audience.
• Playback Theatre Company - Improvisational theatre company based in Melbourne, Australia. Troupe, performance, and contact information.
• Pocket Full of Tales Children Theater - Improvised shows where kids supply the characters and locations for original musicals, or scripted shows for parties and schools. Cast information, shows, classes, tickets, calendar, and contact details.
• Transactors Improv Co. - Professional touring theater based in Chapel Hill, N.C. Schedule and reviews.

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