Okay, this isn’t exactly ‘stop the presses’ news, nor is it timely. I found this commercial while on vacation, but was only able to verify him after the week was up!
Steve played the male groupie who was first smitten over Captain Hammer, but eventually swooned for Doctor Horrible. Here’s a youtube clip of Steve singing in the commentary for Doctor Horrible.
Yes, I feel guilty that it was his “S’s” that gave him away the most in the Progressive commercial.