Promenade - a comedy film about the residents of a Brighton apartment block - will feature actors including Roger Allam, Anna Chancellor, Doon Mackichan and John Finnemore.

The movie, which is in production now, is being directed by John Jencks, who previously worked with Allam on The Hippopotamus (pictured), the 2007 film written by Stephen Fry.

Promenade has been written by David Wigram, and is described as "a playful and innovative whodunnit" based around a mansion in Brighton.

The synopsis explains: "In Brighton on the South coast of England, sharpened by the sting of sea spray, and mellowed by numinous light, a tight-knit community of oddballs and heart-felts live together in a tatty old mansion, the Fletcher Apartments. When a golden feather, the priceless antique mascot of the building, unexpectedly disappears, the residents have a mystery to solve. Will they find the talisman that previously bound them together, or will their community, now divided against itself, irrevocably unravel?"

The cast list also includes Malcolm Kamulete, Lily Loveless, Purab Kohli, Emily Coates, Bertie Caplan, Elsa Zylberstein, Alan McKenna, Rosie Day, Diana Quick, Charley Palmer Rothwell, Manpreet Bambra, Aoife Hinds, Vahid Gold, Jamie Kenna, Kola Krauze, Gala Botero, Emma West, Julia Watson and Andy Secombe.

John Jencks says: "Having spent seven years producing a superhero movie [The Crow], I wanted to direct a film that was the diametric opposite. Promenade is a community-led film with no single hero. It has over 50 characters and 12 stories, tied together with one overarching plot. It all takes place in a block of flats in Brighton and will be one wild ride!"

Marcie MacLellan, who is producing via her production company Frank & Lively, notes: "As a distinct departure from Apostasy, a quietly intense drama, I am overjoyed to be producing a comedy film with an inclusive, international and versatile team. I'm also incredibly proud to be the first feature film to use the pioneering Call it! app to do my part to help make this industry a happier, safer place to work for everyone."