Well, it's not exactly a cameo, but it's footage nonetheless. After President Obama gave extra plaudits to Sen. Chris Dodd for his efforts on the credit card reform bill that recently passed and was signed, Dodd's first TV ad of his 2010 reelection bid features a clip of Obama.
Dodd has been in reelection trouble after his special loan from Countrywide and the acknowledgement that he okayed the TARP language that eventually allowed for AIG's controversial bonuses, and polling reflected it.
Now the prominent Democratic Banking Committee Chairman--and former presidential candidate--has a major legislative accomplishment to hang is hat on in the credit reform bill, which the ad promotes heavily. Video below: