He cast about in his mind, trying to recall what had just been said.

She cast in her mind for another approach, then frowned.

"I had cast the role in my mind 100 times," she says.

Emily cast about in her mind to find out what she wanted to know without asking a direct question.

Cassandra cast about in her mind for exactly the right words to say.

Desperate, he cast about in his mind for some solution.

He cast around in his mind for a chance of privacy.

I cast around in my mind for something to do that would help.

This was getting awkward and Jack cast about in his mind for a way to bring the conversation to a natural end.

She cast around in her mind to see how things felt.