The diminutive Diff'rent Strokes star was admitted to Utah Valley Regional Medical Center on Wednesday (26May10) following a fall at his home. He was fully conscious after the accident but his condition gradually worsened and he went into a coma on Thursday (27May10).
On Friday (28May10), Coleman's manager, John Alcantar, revealed the actor was "unconscious and on life support", and asked fans for their "thoughts and prayers".
And Bain, who played Philip Drummond on the hit 1970s show, is keeping Coleman in his thoughts.
He tells TMZ.com, "(I'm) hoping and praying for his recovery."