Meryl Streep, Catherine Tate and Imelda Staunton talk Sondheim

The three stars, currently appearing in Into the Woods, Assassins and Gypsy respectively, discuss their experiences of working with Stephen Sondheim. Edith Bowman presents.

Disney's film version of Into the Woods, starring Meryl Streep, James Corden, Anna Kendrick, Chris Pine, Emily Blunt and Johnny Depp is released in UK cinemas on 9 January.