Alice Lowe: ‘Cambridge was so many posh boys putting me down – I carried that with me for quite a long time’

The star of ‘Garth Marenghi’s Darkplace’ and ‘Prevenge’ has taken a left turn: dancing to vintage Take That for the jukebox musical ‘Greatest Days’. She talks to Annabel Nugent about murder comedies, cancel culture and the realities of being a female filmmaker today