Really a flop is someone who had a big role, or was super hyped, then did nothing because no one was interested. Brody isnt a flop. Silverstone probably is, and a 90s Aerosmith video, (even a good one) doesn't prove otherwise..
Hayden Christensen, definately.
Haley Joel Osment, probably. Cute, if slightly freaky kid turns into a bloated mess of an adult that is almost uncastable.
Edward Furlong. T2 to nothing. Ok he is IN stuff, but the next big thing he wasnt.