The physics professor looks like he's right 'out of central casting': his white hair is disheveled, his suit rumpled, and he looks a little lost.
She is still 'casting around for' [='seeking'] someone to watch her son while she is at work.
I was having trouble 'casting on', but I think I have it now.
(..) Right before it burns off, it really is beautiful. I like Jamie. And she's pretty, too. Hey, easy, dude. Don't you go casting a spell on her. I'm a magician, not a wizard. You and your gay Harry Potter. You can't deny that going to Hogwarts wouldn't be life-changing. - I miss you. (..)2011 Friends with Benefits