'Scrubs' Actor Josh Randall Files For Divorce -- My Marriage Has Flatlined

Josh Randall -- the guy who played Elliot's old boyfriend Jake on "Scrubs" -- has filed for divorce from his real-life wife of 11 years Claire Rankin ... TMZ has learned.

According to documents filed in L.A. County Superior Court and obtained by TMZ ... 40-year-old Randall cites irreconcilable differences for the split ... and lists the official date of separation as May 5, 2011.

The couple has no children together.

Claire is also an actor -- who has appeared in minor roles on several shows including "House," "Monk" and "Stargate Atlantis."