All 80 actors in both Lewis and Silent Witness
80 actors have appeared in both Lewis and Silent Witness, across 310 episodes. The most-credited is Christopher Cowlin, Police Officer in Lewis and Police Officer in Silent Witness.
| Actor | In Lewis | In Silent Witness | Eps | Eps |
|---|---|---|---|---|
| Christopher Cowlin | Police Officer | Police Officer | 2 | 8 |
| Richard Durden | John Gracey | Conor Hodgson | 1 | 9 |
| Jemma Redgrave | Trudi Griffon | D.I. Jill Raymond | 1 | 5 |
| Ruth Gemmell | Robyn Strong | Kerry Cox, Ellie Brooke | 1 | 5 |
| Richard Herdman | Police Officer | Police Officer, Security Guard | 2 | 3 |
| Zoe Telford | Freya Carlisle | Chief Superintendent Jane De Freitas | 1 | 4 |
| Ace Bhatti | Rizwan Nooran | Mousa Rashid | 2 | 2 |
| Stephen Churchett | Richard Seager | Charles | 2 | 2 |
| Anna Madeley | Anne Sadikov | Annette Kelly | 1 | 2 |
| Christina Cole | Claire Gansa | Janice Masters | 1 | 2 |
| Jason Watkins | Oswald Cooper | Stan Hughes | 1 | 2 |
| Jeanie Gold | Sunbed Lady | Gypsy | 1 | 2 |
| Lucy Cohu | Marion Hammond | Helen Garnett | 1 | 2 |
| Neil Madden | 3rd Reporter | Paramedic 1 | 1 | 2 |
| Niamh Cusack | Dr. Ellen Jacoby | Sylvie Blake | 1 | 2 |
| Richard Dillane | Theodore Platt | DCI Michael Waite | 1 | 2 |
| Tom Harper | Stephen Gilchrist | Alan Morris | 1 | 2 |
| David Baukham | Norman | Inspector Chris Tanner | 1 | 1 |
| Sorcha Cusack | Professor Joanna Pinnock | Denise Morris | 1 | 1 |
| Adam James | Ethan Croft | Dr. Richard Fell | 1 | 2 |
| Anna Wilson-Jones | Stanza Massey | Ellie Timpson | 1 | 2 |
| Ariyon Bakare | Carl Drew | Father Anthony Dawes | 2 | 1 |
| Ben Batt | Milo Hardy | Jason Macklow | 1 | 2 |
| Jack Roth | Jack Collins | Owen Hanmore | 1 | 2 |
| Josette Simon | Stephanie Fielding | DCI Jane Ford | 1 | 2 |
| Nicholas Farrell | Charles Milner | Professor Adrian Cowley | 1 | 2 |
| Paul Blackwell | Police Officer | Police Officer, Policeman | 1 | 2 |
| Saskia Reeves | Alison McLennan | DS Maureen Steele | 1 | 2 |
| Leo Staar | Simon Eastwood | Calvin Dunn | 2 | 2 |
| Sanjeev Bhaskar | Kanan Dutta | Abdul Aziz | 2 | 2 |
| Abigail Hardingham | Jessica Lake | Sarah Begovic | 1 | 2 |
| Adrian Rawlins | Harry Bundrick | DI John Leighton | 1 | 2 |
| Beth Goddard | Belinda Ashton | Trish Fallon | 1 | 2 |
| Michael Ryan | Harrison Sax | Wesley Beale | 2 | 2 |
| Phil Rowson | Ian | Tim Friend | 2 | 2 |
| Pippa Haywood | Veronica Gray | Justine Greenwood | 1 | 1 |
| Sam Hazeldine | Dane Wise | Scott Lambert | 1 | 2 |
| Tom Goodman-Hill | Richard Helm | AC Tim Holloway | 1 | 1 |
| Zoe Boyle | Hope Ransome | Sara Sanderson | 1 | 2 |
| Ian Puleston-Davies | Frank Guitteau | DSI Ronnie Boyle | 2 | 3 |
| Leila Mimmack | Yasmin Randall | Lana Sutherland, Elsa Kania | 1 | 3 |
| Neil Stuke | Professor Andrew Crane | DI Laurence Cooke | 2 | 2 |
| Priyanga Burford | Katherine Warwick | DS Seetha Gold | 2 | 2 |
| Thusita Jayasundera | Ayesha Nooran | DS Ayesha Masood | 2 | 2 |
| Lorcan Cranitch | Liam Cullen | Colin McGrath | 1 | 2 |
| Michael Maloney | Ivor Denniston | Judge Christopher Lansing | 1 | 2 |
| Patrick Baladi | Robert Fraser | Ron Radford | 1 | 2 |
| Emma Cunniffe | Bryony Willet | Jess Fisher | 2 | 2 |
| Anastasia Hille | Ginny Harris | Ann Carson | 1 | 2 |
| Haydn Gwynne | Sandra Walters | Helen Ferguson | 1 | 2 |
| Lee Nicholas Harris | Police Officer, SO19 Armed Police Officer | Armed Police officer, Armed Police Sergeant, Prison Officer | 2 | 4 |
| Nichola Burley | Karen Wilde | Lydia Lane | 1 | 2 |
| Siân Phillips | Adele Goffe | Beattie Elleston | 1 | 2 |
| Jason Done | Paul Brightway | Sgt. Robert Andrews | 2 | 2 |
| Jane Slavin | Debbie Cliff | Lois Hill | 2 | 2 |
| Neil Pearson | Dr. Stringer | DI Steve Tudor | 1 | 2 |
| Tim Pigott-Smith | Jasper Hammond | John Briggs | 2 | 2 |
| Richard Johnson | Augustus Mortmaigne | Sir William Embleton | 1 | 2 |
| Sagar Arya | Doctor | Depak Shah, Dr Arnie Rahul | 1 | 2 |
| Bryan Dick | Phil Beaumont | Lucas Ballinger | 1 | 2 |
| David Westhead | Leon Suskin | DI Bob Cherry | 1 | 2 |
| Dominic Mafham | Frank McLean | Mark James | 2 | 1 |
| Rob Pavey | Indrek Kalda | Roger Gallop | 1 | 2 |
| Lauren O'Neil | Rowena Trevanion | DI Sarah Parks | 1 | 2 |
| Nicholas Sidi | Stephen Blackmore | Simon Forsyth | 1 | 2 |
| Rosalyn Wright | Air Stewardess | Anna Jarrett | 1 | 1 |
| Tom Davey | Dr. Brendan Ward | City Boy | 2 | 1 |
| Danielle Flett | Kim | DC Philippa Rule | 1 | 2 |
| Barry Aird | Security Man | Charlie Jarvis | 1 | 1 |
| Greg Bennett | Police Constable | Police Constable | 3 | 1 |
| Glen Stanway | Fingerprint Officer, Police Constable | Police Constable | 2 | 2 |
| Art Malik | Professor Hamid Jassim | Arthur Pujari | 1 | 1 |
| Michael Simkins | Manfred Canter | AC Harry Lennox | 1 | 1 |
| Jenny Howe | Moira | Coroner | 1 | 1 |
| Alan Bond | Reporter | Barrister | 1 | 2 |
| Ronald Pickup | Fr Moreno Mancini | Dr. Richard Owen | 1 | 1 |
| Melanie Kilburn | Pauline Turrill | DI Mel Granger | 1 | 1 |
| Richard Huw | Solicitor | Dr. Leonard Fitzpatrick | 1 | 1 |
| Scott Stevenson | Police Officer | Policeman | 1 | 1 |
| Ed Pearce | Undertaker | Mortuary Assistant | 1 | 1 |
Cast data from TVmaze, licensed CC BY-SA 4.0.