Halloween Countdown 2026: Case 20: Strangers on a Train

Written and presented by Danny Robins Research: Nancy Bottomley Assistant Producer: Lara Monahan Sound recording: Pete Moor Filming: Howard Mills Director & video editing: Christopher Poole Stills photography: Sarah Louise Bennett Editing and sound design: Charlie Brandon-King Music: Evelyn Sykes Theme music by Lanterns on the Lake Commissioning executive: Paula McDonnell Commissioning editor: Rhian Roberts Production Manager: Kerry Luter Executive Producer: Simon Barnard Produced by Victoria Lloyd & Danny Robins

A Bafflegab and Uncanny Media production for BBC Radio 4