Ewan McGregor has officially joined Marc Forster’s The Cow, in a bid to help show his range in physical comedy too and work again with Forster (the two have also done 2005's Stay together, in addition to this year’s Christopher Robin). Read my interview with Forster from last October here.

McGregor tells Variety he was won over after Forster showed him the script toward the end of the shoot of Christopher Robin. McGregor will play American pilot Charlie Granger who flies bombing raids over Germany for Britain's Royal Air Force during WWII when he is shot down. He hatches an escape plan involving fake papers and a cow named Marguerite, to get to French territory nearly 200 miles away – with plenty ensuing along the journey.

The Cow is based on the 1959 French film directed by Henry Verneuil called La Vache et le Prisonnier or "The Cow and I" and is based on a novel by Jacques Antoine. Bill Prady (of The Big Bang Theory fame) is penning Forster's take on the comedic historical tale.

Stay tuned for more on The Cow as we hear it.