Diagnosis Murder (Main Character)
Season 1
Season 2
- Is in his 60s (The Busy Body)
- Has a sister named Dora (Death by Extermination)
Season 3
Season 4
- Hasn’t seen his daughter in 6 years (Murder Can Be Contagious)
- Hasn’t seen his daughter in 8 years (Murder in the Family)
Season 5
- Lost money in a stock trading scheme run by Howard Purcell six years ago (Malibu Fire)
- Used to be part of a Friday Night Poker Club with Bill Tremont and Father Bosley (Malibu Fire)
Season 6
- Becomes a silent partner in BBQ Bob’s (Resurrection: Part 2)
- Hates hospital food (Wrong Number)
- His wife Catherine was engaged to Harry Trumble when he met her (Voices Carry)
- It has been 10 years and 3 monhts since his wife died from cancer (Today is the Last Day of the Rest of My Life)
Season 7
- Was married for 27 years (The Flame)
- It’s been about 9-10 years since Mark has seen Olivia Parkinson (The Flame)
Season 8
- Has been a doctor for over 40 years (Playing God)
- Father – James Sloan was a Police Detective (Sins of the Father)
- James Sloan left home when Mark was 10 years old (Sins of the Father)
- Mother – Henrietta Sloan (Sins of the Father)
- Date of Birth: 13 December 1933 (On the Beach)
- Health Coverage Code: MKY090899; Co-Payment Code: 867-5309 (On the Beach)
- Address: 12491 Pacific Ridge Drive, Malibu 90265 (On the Beach)
- Admitted to hospital as a patient on 4 May 2001 (On the Beach)
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