- Peter Cleall - Eric Duffy
- Peter Denyer - Dennis Dunstable
- David Barry - Frankie Abbott
- Liz Gebhardt - Maureen Bullock
- Malcolm McFee - Peter Craven
- Penny Spencer - Sharon Eversleigh
- Suzan Farmer - Judith Howard
- Diana Coupland - Connie Eversleigh
- Mollie Maureen - Mrs. Wilmot
- Anita Carey - Air hostess
- Terry Duggan - Harry
- Jo Rowbottom - Elsie
- John Nettleton - Police Sergeant
- Michael Burrell - Mr. Dowling
- Geoffrey Hughes - Mr. Turner
- Neil Wilson - Bookmaker
- Olive Mercer - Mrs. Quimby
- Pat Nye - Mrs. Savage
- Bob Todd - Boating Lake Attendant
- Eunice Black - Maud
- Syd Conabere - Fred
- Jack Woolgar - Albert Dearth
- Ian Gray - Head waiter
- Tom Marshall - Yob in cafe
- Roy Patrick - Off-Licence Owner
- Merlin Ward - Palmer
- Barrie Gosney - Clark
- Harry Shacklock - Chess player
- Barbara Mitchell - Mrs. Abbott
- Peter Mackriel - Doctor
- Lucy Griffiths - Patient
- Suzanne Heath - The Secretary
- Campbell Singer - Recruiting Sgt. 'Banger' King
- Roland MacLeod - Monsignor Sopwith
- Terence Alexander - Mr. Kelp
- Betty Hare - Landlady
- Richard Caldicot - Mr. Herman
- Janina Faye - Hermione
- Derek Murcott - Conservative
- Julian Chagrin - Courtney
- Peter Bayliss - Mr. Dunstable
- Jill Kerman - Penny Wheeler
- Jill Kerman - Penny Hedges
- Jill Kerman - Penny Wheeler / Penny Hedges
- Susan Richards - Madge Smith
- Bert Palmer - Stationmaster
- Wendy Richard - Rita
- Timothy Bateson - Dutton
- Nicholas Hoye - Talbot
- Babs Jessup - Ruthie
- David Spooner - Blond Boy
- Jeanne Mockford - Mrs. Duffy
- Richard Mottau - Kevin Duffy
- Glynn Edwards - Mr. Dix
- Zena Clifton - Jackie
- Brinsley Forde - Herman
- David Howe - Colin Lovelace
- David Howe - Small Boy
- Robin Askwith - Eddie
- Colin Daniels - Slater
- Denis Gilmore - Snatch
- Joe Ritchie - Postman
- Joe Ritchie - Mr. Stone
- Colin Pilditch - Boz
- Mollie Sugden - Alice Larch
- Cyril Shaps - Leonard Larch
- Elaine Donnelly - Trisha
- Stanley Beard - Mr. Roberts
- Shirley Cheriton - Pat
- Diana King - Mrs. Grey
- Clive Moss - Steele
- Roderick Smith - Philip Larch
- Derek Griffiths - Sidney Noakes
- Harold Goldblatt - Mr. Abselom
- James Bree - Mr. Barratt
- Madoline Thomas - Mrs. Ewell
- Richard Warwick - David Ffitchett-Brown
- Arthur Lovegrove - Harry
- Joe Gladwin - Chalky
- Roger Avon - Bert
- Tim Barrett - Mr. Bell
- Carol Hawkins - Sharon Eversleigh
- Leon Vitali - Peter Craven
- Paddy Joyce - Mahon
- Declan Mulholland - Flann
- Lockwood West - Sir Giles Hardwicke
- John Sharp - Police Inspector
- John Owens - Police Constable
- Madeleine Mills - Miss Patricia Nately
- Arnold Peters - School Governor
- Richard Shaw - Mr. Stringer
- Joan Geary - Mrs. Stringer
- Jack Watson - Barker
- Lindsay Campbell - Mr. Sibley
- Charles Bolton - Godber
- Barry McCarthy - Terry Stringer
- Billy Hamon - Des
- Drina Pavlovic - Celia
- Vivienne Martin - Miss Gloria Petting
- Bernard Holley - Mr. John Hurst
- Valerie Georgeson - Ground stewardess
- Geoffrey Cheshire - Barman
- Clare Shenstone - Waitress
Timothy Bateson interpreta a Dutton en la serie.
Richard Davies interpreta a Mr. Price en la serie.
Erik Chitty hace el papel de Mr. Smith.
Joan Sanderson interpreta a Doris Ewell en la serie.
Deryck Guyler hace el papel de Norman Potter.
Noel Howlett hace el papel de Mr. Cromwell.
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