The Diff'rent Strokes star was arrested and jailed on Sunday (24Jan10) after police discovered a misdemeanour failure to appear warrant for Coleman and took him into custody.
Coleman was released from the Utah prison on Monday (25Jan10), after the $1,725 (£1,080) bail was handed over.
It has now emerged businessman Jarrod Clarke of Draper, Utah, paid the money after seeing the star's "sad" mugshot in the press.
And Clarke is such a fan of the former child star, he even offered to give him a ride home - but Coleman's dad picked him up instead.
Clarke tells GossipCop.com, "If you see his mugshot, I mean, what a sad face... To see that he was sitting in there - and he'd been there for 27 hours - and bail was only $1,700, I thought somebody probably ought to do something."
Coleman's wife reportedly rang Clarke to thank him for the kind gesture.
The actor is due to appear in court on 8 February (10).