ben platt plays your brother.f a tongue twister but true. >> my dream come true. >> jimmy: is it? >> i'm the number one ben platt fan in the world. i consume everything he's a part of. >> jimmy: did you know going into it that he would be your brother in the movie? >> of course. >> jimmy: you did. >> in fact, last time i saw him in concert, i went with jill, your old producer. >> jimmy: oh, yes, jill loves ben. >> we love some ben platt. he's terrific in the movie. . i really wanted to be a part -- i wanted to be part of something that was -- would just be entertaining and light hearted and people could watch together and let us are the dysfunction. i wanted people to watch it and go oh my god, we're not so bad, these people are crazy! [ laughter ] it's about a highly dysfunctional family that kind of has to reckon with their own vulnerabilities and come back together. >> jimmy: allison janney is your mom. >> she's heaven. >> jimmy: did you develop -- you didn't develop a motherly prela? >> no, she's a very bad in