Long-serving cast members included the following:
Deborah Mailman (Kelly Lewis), David Tredinnick (Simon Trader), Samuel Johnson (Evan Wylde), Sibylla Budd (Gabrielle Kovich), Spencer McLaren (Richie Blake), Abi Tucker (Miranda Lang), Claudia Karvan (Dr Alex Christensen), Michael Dorman (Christian Hayden), Damian de Montemas (Jason Kennedy), and Joel Edgerton (William 'Will' McGill).
List of episodes
Series one
Note: Series one begins with episode three, because the telemovie (indexed separately) is counted as episodes one and two.
3. The Unbelievable Truth (Judi McCrossin)
4. The Garden of Gethsemane (Judi McCrossin)
5. The Rules (Christopher Lee)
6. Expect the Unexpected (Judi McCrossin)
7. The Road Less Taken (Judi McCrossin)
8. What Am I? (Christopher Lee)
9. The Secret Life of Us (Judi McCrossin)
10. State of Limbo (Judi McCrossin & David Ogilvy)
11. Love Sucks (Christopher Lee)
12. Fallout (Judi McCrossin)
13. Secrets & Lies (Judi McCrossin & Jessica Adams)
14. Better the Devil You Know (Elizabeth Coleman)
15. The Gap (Tony McNamara)
16. The Butterfly Effect (Andrew Kelly)
17. Piggy-in-the-Middle (Elizabeth Coleman)
18. Intimations of Mortality (Christopher Lee)
19. A Friend Indeed (Tony McNamara)
20. Men on the Verge (Roger Monk)
21. The Doorway (Christopher Lee)
22. Now or Never (Judi McCrossin)
Series two
1. A New World Order (Judi McCrossin)
2. Free Will (Andrew Kelly)
3. The Dance (Christopher Lee)
4. An Ill Wind (Liz Doran)
5. The Grand Delusion (Tony McNamara)
6. It's Not Easy (Jacquelin Perske)
7. A Fine Line (Judi McCrossin)
8. Make Up Your Mind (Christopher Lee)
9. Controlling The Universe (Debra Oswald)
10. Between a Rock and a Hard Place (Judi McCrossin)
11. The Funny Side (Andrew Kelly)
12. Who Do You Want To Be Today? (Tony McNamara)
13. From Little Things Big Things Grow (Elizabeth Coleman)
14. Rose Coloured Glasses (Judi McCrossin)
15. Have A Little Faith (Jacquelin Perske)
16. The Great Divide (Christopher Lee)
17. Sweet Revenge (Judi McCrossin)
18. Signs Of Life (Roger Monk)
19. The Searchers (Christopher Lee)
20. Walpurgisnacht (Christopher Lee & Hamish Wright)
21. Do The Right Thing (Tony McNamara)
22. Truth Is Beautiful… But So Are Lies: R.W. Emerson (Judi McCrossin)
Series three
1. The End is the Beginning (Judi McCrossin)
2. The Cycle (Christopher Lee)
3. You Can't Always Get What You Want (Christopher Lee)
4. The Way We Are (Judi McCrossin)
5. A Square Peg In A Round Hole (Judi McCrossin)
6. The Quality Of My Life (Judi McCrossin)
7. This Is Now (Jacquelin Perske)
8. The Art of Deception (Judi McCrossin)
9. Nature or Nurture? (Liz Doran)
10. Fair Play (Tony McNamara)
11. The Day No Trumpets Sounded (Judi McCrossin)
12. The Innocents (Judi McCrossin)
13. Great Expectations (Christopher Lee)
14. The People You Meet (Tony McNamara)
15. Weird Species Man (Michael Miller)
16. Be True (Jacquelin Perske)
17. The Dark Side (Hamish Wright)
18. Only The Brave, Or The Dumb (Tony McNamara)
19. Outside the Loop (Michael Miller)
20. The Saturn Return (Christopher Lee)
21. Playing With Fire (Judi McCrossin)
22. Let The Burning Begin (Judi McCrossin)
Series four
1. The Truth About Cats and Dogs: Part One (Michael Miller)
2. The Truth About Cats and Dogs: Part Two (Michael Miller)
3. Stretching The Friendship (Tony McNamara)
4. The Mysteries Of Attraction (Ellie Beaumont)
5. Kicking the Habit (Jane Bodie)
6. The Crisis Of Questions (Hamish Wright & James Hawthorne)
7. Rocks And Chameleons (Jaime Browne)
8. Gathering of Tribes (Kris Mrksa)
9. Facing It (Tony McNamara)
10. When The Bell Rings (Jane Allen)
11. Insecurity Blanket (Fiona Wood)
12. The Heart Of Friday Night (Michael Miller)
13. The Big Leap (Chris Corbett)
14. Spitting the Dummy (Liz Doran)
15. The Treadmill (Ellie Beaumont)
16. The Character Question (Tony McNamara)
17. Dead Man Walking (Michael Miller)
18. Ill Communication (Jaime Browne & Kris Mrksa)
19. Rare Birds (Ellie Beaumont)
20. Glimpses of Perfection (Tony McNamara)