- John Savident
- Â Forrester 13 episodes, 1972
- Spencer Banks
- Â Martin Clifford 13 episodes, 1972
- David Munro
- Â Mr. Harvey 13 episodes, 1972
- Marian Diamond
- Â Miss Walker / ... 12 episodes, 1972
- Frederick Treves
- Â Mr. Fletcher 11 episodes, 1972
- George Waring
- Â Mr. Clifford 9 episodes, 1972
- Michael Mellinger
- Â Mr. Elliot 8 episodes, 1972
- Hazel Bainbridge
- Â Jessie Ruggles 8 episodes, 1972
- Michael Beint
- Â Ron Desmond 8 episodes, 1972
- Mike Grady
- Â Spud 6 episodes, 1972
- George Roubicek
- Â Sgt. Sikowski 5 episodes, 1972
- Sue Holderness
- Â Joanna 5 episodes, 1972
- Simon Jayson
- Â Ben 5 episodes, 1972
- Ian Yardley
- Â Small Man 5 episodes, 1972
- Melita Manger
- Â Sally 5 episodes, 1972
- Bunny Reed
- Â Tall Man 5 episodes, 1972
- John J. Carney
- Â Det. Insp. Mitchell / ... 4 episodes, 1972
- Patsy Smart
- Â Aunt Madge 3 episodes, 1972
- Martin Neil
- Â Jeff 2 episodes, 1972
- Rollo Gamble
- Â Mr. Brooks 1 episode, 1972
- Tom Chatto
- Â Customs Official 1 episode, 1972
- Terry Sartain
- Â Sergeant (uncredited) 1 episode, 1972
