Why Didn't They Ask Evans? (TV) Cast
The cast of Why Didn't They Ask Evans?. Updated on September 18, 2025.
30 actors
Will Poulter
as Bobby Jones (3 episodes)

Will Poulter plays the character Bobby Jones in Why Didn't They Ask Evans?. Bobby Jones is a determined and adventurous young man who becomes entangled in a mystery while investigating the death of a man he finds on a clifftop.

Lucy Boynton
as Frankie Derwent (3 episodes)

Lucy Boynton portrays the character Frankie Derwent in the show. Frankie Derwent is a resourceful and sharp-witted woman who assists Bobby Jones in his quest to uncover the truth behind the mysterious death on the clifftop.

Maeve Dermody
as Moira Nicholson (3 episodes)

Maeve Dermody brings the character Moira Nicholson to life in Why Didn't They Ask Evans?. Moira Nicholson is a mysterious woman whose involvement in the case adds a layer of complexity to the investigation undertaken by Bobby Jones and Frankie Derwent.

Conleth Hill
as Dr Alwyn Thomas (3 episodes)

Conleth Hill portrays the character Dr. Alwyn Thomas in the series. Dr. Alwyn Thomas is a knowledgeable and potentially suspicious character who becomes intertwined in the events surrounding the death on the clifftop.

Daniel Ings
as Roger Bassington-ffrench (3 episodes)

Daniel Ings plays the role of Roger Bassington-ffrench in the show. Roger Bassington-ffrench is a charismatic and wealthy individual whose connections to the case raise questions about his motives and possible involvement.

Jonathan Jules
as Ralph 'Knocker' Beadon (3 episodes)

Jonathan Jules portrays the character Ralph 'Knocker' Beadon in the series. Ralph 'Knocker' Beadon is a loyal and trustworthy friend of Bobby Jones, assisting him in his investigation while also providing comic relief.

Alistair Petrie
as Rev Richard Jones (3 episodes)

Alistair Petrie brings the character Rev Richard Jones to life in Why Didn't They Ask Evans?. Rev Richard Jones is Bobby Jones' caring and supportive father, who provides guidance and moral support throughout the investigation.

Nicholas Asbury
as Mr. Angel (3 episodes)

Nicholas Asbury plays the role of Mr. Angel in the show. Mr. Angel is an enigmatic and potentially suspicious character who becomes intertwined in the events surrounding the death on the clifftop.

Morwenna Banks
as Amelia Cayman (3 episodes)
Miles Jupp
as Henry Bassington-ffrench (3 episodes)
Amy Nuttall
as Sylvia Bassington-ffrench (3 episodes)
Paul Whitehouse
as Askew (3 episodes)
Leon Ockenden
as Alex Pritchard (1 episode)
Tim Treloar
as Arthur Crowe (1 episode)
Tomos Farrer
as Mickey (1 episode)
Samuel Farrer
as Sammy (1 episode)
Nicholas Banks
as 'Thicko' Derwent-Broxley (1 episode)
Nia Trussler Jones
as Mrs Gladys Roberts (1 episode)
Martyn Ellis
as Albert Gold Pro (1 episode)
Carlie Enoch
as Ivy Marshall (1 episode)
Trevor Cooper
as Coroner (1 episode)
Bob Goody
as Ted Miller (1 episode)
Richard Dixon
as Leo Cayman (1 episode)
Simon Markey
as Nigel the Postman (1 episode)
Benedict Wolf
as Hari Singh (1 episode)
Patrick Barlow
as Wilfred Bragge (1 episode)
Christian Patterson
as Sergeant Ellis (1 episode)
Emma Thompson
as Lady Marcham (1 episode)
Jim Broadbent
as Lord Marcham (1 episode)
Hugh Laurie
as Dr. James Nicholson (2 episodes)
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