Stephen Logan Sr. is a fictional character on the CBS daytime soap opera The Bold and the Beautiful.
- Robert Pine (1988, 1994, 1996, & 1997; recurring)
- Patrick Duffy (04/2006-06/2006, 11/2007-01/2008, 05/2008, 06/2008, 11/2009, 04/2010-07/2010, 01/2011-02/2011; recurring)
Family and relationships:Edit
- Unknown man (father, deceased)
- Helen Logan (mother, deceased)
- Eric "Rick" Forrester Jr. (grandson, via Brooke)
- Bridget Forrester (granddaughter, via Brooke)
- Hope Logan (granddaughter, via Brooke)
- Ridge "R.J." Forrester Jr. (grandson, via Brooke)
- Jack Marone (grandson, via Brooke)
- Marcus Barber (grandson, via Donna)
- William "Will" Spencer IV (grandson, via Katie)
- Eric Forrester III (great-grandson, via Rick, deceased)
- Nicole Marone (great-granddaughter, via Bridget, deceased)
- Logan Knight (great-grandson, via Bridget)
- Ambrosia "Rosie" Barber (great-granddaughter, via Marcus)
Flings and relationships:Edit
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