Upcoming peformances:

Sorry, nog gigs planned.


Photos of previous editions of the Under the Influence shows: Under the Influence... of Alligator Mouth and Under the influence... of Ruud Valster, have been posted on our pictures page, and some edited highlights of the performance and post-gig canvas-cutting are can be found on the clips page.

If you would like to be informed (in a brief, non-spammy way) of upcoming Impromptu gigs, you might want to join our mailing list. If you're on FaceBook, you're very welcome to join our Impromptu group page.



Alligator Mouth (US) and Impromptu. L-R: Amber, Rhonda, Peter, Hannah, Hans, Grainne, Ralph, Sean




Past peformances:

at festivals
We're proud to have been invited to several international improv festivals, the most recent of which were:


at theatres
22-10-2011: BOSTON, Green Street Studios, Boston, USA, "Crossing the Divide"
21-10-2011: NYC, Joria Productions Theater, NYC, USA, "Crossing the Divide"
20-10-2011: ELMIRA, Mandeville Hall, Clemens Center Pkwy, USA, "Crossing the Divide"
30-09-2011: Cameleon, Amsterdam, "Under the influence of Light"
11-06-2011: Cameleon, Amsterdam, "Under the influence of Puppets"
24-04-2011: Cameleon, Amsterdam
20-11-2010: Zaal 100, Amsterdam
02-10-2010: Zaal 100, Amsterdam
13-03-2010: Zaal 100, Amsterdam
19-11-2009: OT301, Amsterdam
20-06-2009: Zaal 100, Amsterdam
14-12-2007: Perron Theater, Amsterdam
12-11-2006: Oudaen Theater, Utrecht
01-11-2006: SPONTANéOUS International Improvisation Festival, Lyon, France
21-10-2006: Improvvivo International Improv Festival, Fermo, Italy
24-09-2006: Oudaen Theater, Utrecht
11-04-2006: National Improv Festival, Copenhagen, Denmark
09-04-2006: Oudaen Theater, Utrecht
10-03-2006: CREA Theater, Amsterdam
10-02-2006: CREA Theater, Amsterdam
14-01-2006: Improv at the Pleasance Theatre, London, UK
13-01-2006: Improv at the Pleasance Theatre, London, UK
12-01-2006: Improv at the Pleasance Theatre, London, UK
11-01-2006: Improv at the Pleasance Theatre, London, UK
10-01-2006: Improv at the Pleasance Theatre, London, UK
05-01-2006: SHIFTI International Improvisation Festival, Warwick, UK
09-12-2005: CREA Theater, Amsterdam
11-11-2005: CREA Theater, Amsterdam
14-10-2005: CREA Theater, Amsterdam
21-10-2005: Goli Oder 2005 International Improv Festival, Ljubljana, Slovenia
14-10-2005: CREA Theater, Amsterdam
28-05-2005: Prinsentheater, Groningen, the Netherlands
22-05-2005: Fijnhouttheater, Amsterdam
17-04-2005: Fijnhouttheater, Amsterdam
09-04-2005: Theater Concordia, Enschede, the Netherlands
13-03-2005: Fijnhouttheater, Amsterdam
20-02-2005: Theater De Liefde, Amsterdam
09-02-2005: 10th Amsterdam International Improvisation Festival
14-01-2005: Theater De Liefde, Amsterdam
27-12-2004: Stranger than Paranoia Festival, Tilburg, the Netherlands
17-12-2004: Theater De Liefde, Amsterdam
27-11-2004: Prinsentheater, Groningen, the Netherlands
19-11-2004: Theater De Liefde, Amsterdam
15-10-2004: Theater De Liefde, Amsterdam
11-10-2004: European Festival of Improv Theatre, Münster, Germany
11-06-2004: Theater de De Liefde, Amsterdam
16-04-2004: Theater Cameleon, Amsterdam
06-02-2004: Theater Cameleon, Amsterdam
10-01-2004: Theater Cameleon, Amsterdam
19-12-2003: Theater Cameleon, Amsterdam
21-11-2003: Theater Cameleon, Amsterdam
03-10-2003: Theater Cameleon, Amsterdam
05-09-2003: Theater Cameleon, Amsterdam
10-05-2003: Theater Cameleon, Amsterdam
12-04-2003: Theater Cameleon, Amsterdam
22-02-2003: Theater Cameleon, Amsterdam
14-02-2003: Nationaal Congres Engels, Zeist, the Netherlands