The original Death Wish has Christopher Guest as a cop and Jeff Goldblum as a rapist.
Sly Stallone was a random subway hooligan in Woody Allen's Bananas.
Speaking of Singles, Pryzbylewski from The WIRE also has a small part in...
I recall a local corset designer mentioned in my old copy of San Francisco Bizarro.
A quick search reveals business is still booming:
Good news for potential customers!
"Meet corsetiere Jade...
"(The) Cape has for too long been worn only in the finales of men's dress shows over improbably immaculate tails. Sometimes still seen on eccentrics. Neither instance does justice to what could be a practical and elegant garment.