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Okay, so we're going to take the UK's best stand-up comics and sketch comedians and freak them out. They have no idea what they're doing until the "voice of god" tells them. Watch these fantastic performers as you've never seen them before: uncensored, out of control and funnier than ever.

Created by leading improviser and acclaimed comedian, Deborah Frances-White, Voices In Your Head premiered at the inaugural London Storytelling Festival in October 2011. This unique improv show results in unexpected, hilarious and often moving scenes.

Audience members are sometimes asked to help out undercover, putting these quick wits to the test in this entirely unique improvised comedy experience.

Follow creator and 'voice of god' Deborah Frances-White (@DeborahFW) on Twitter for daily-changing line-up. Already confirmed are Thom Tuck, Sara Pascoe, Dan Antopolski, Nat Luurtsema and Matthew Crosby.

Deborah Frances-White is the artistic director of top improvisation company The Spontaneity Shop ("Wild, witty and majorly entertaining" Three Weeks), co-writer of The Improv Handbook (going into second edition with Methuen) and star of the Sony Award nominated improvised Radio 4 Drama A Time to Dance. She performs her brand new stand up show Cult Following at Assembly Roxy from 1st - 27th August.