Rogen was originally set to play a fairly popular but nerdy college freshman , but the network did not think he was leading male material .
Impressed with Rogen 's improvisational skills , Apatow then chose him as the lead in another of his shows , Undeclared .
Rogen was originally set to play a fairly popular but nerdy college freshman , but the network did not think Rogen was leading male material .
Impressed with Rogen 's improvisational skills , Apatow then chose him as the lead in another of his shows , Undeclared .