Exhibit 31.2

CERTIFICATION OF CHIEF FINANCIAL OFFICER PURSUANT TO SECTION 302(a) OF THE

SARBANES-OXLEY ACT OF 2002

I, Galen C. Smith, certify that:

1. I have reviewed this Amendment No. 1 to the annual report on Form 10-K of Coinstar, Inc.; and

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report.