Mark MacClaine
Michael Dietz
Michael Dietz as Mark MacClaine
The Bold and the Beautiful
Portrayed by: Zachariah Koslow-Schillace (1988-1992)
Michael Dietz (2002-2003, 2004 & 2005)
Duration: 1988-1992, 2002-2003, 2004 & 2005
First appearance: 1988
Last appearance: 2005
Cause/reason: Left town
Created by: William J. Bell
Gender: Male
Occupation: E.R. Doctor
Residence: Unknown
Parents: Clarke Garrison Sr.
Margo MacClaine
Siblings: Clarke "C.J." Garrison Jr.
(paternal half-brother)
Marital status: Single
Grandparents: Benjamin "Ben" MacClaine
(paternal grandfather, deceased)
Helen MacClaine
(paternal grandmother, deceased)
Aunts & uncles: Jacob "Jake" MacClaine
(paternal uncle)
Romances: Bridget Forrester

Dr. Mark MacClaine is a fictional character on the CBS daytime soap opera The Bold and the Beautiful.

Actor History:Edit

  • Zachariah Koslow-Schillace (1988-1992; recurirng)
  • Michael Dietz (10/2002-01/2003; contract & 01/2003-07/2005; recurring)

Character History:Edit

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