In person, Phoenix alternates between curtness and charm.
From the abcnews.go.com
I don't think he'd like me talking about him in an interview, though, so I think that'll be enough,'she says with surprising curtness.
From the telegraph.co.uk
She overtipped the driver as an apology for her curtness and he hauled her morbid duffel to the door-newly painted, slate blue.
From the denverpost.com
Mirren, as Meggie's wealthy great-aunt Elinor, has a regal curtness that's amusing, but watching her gallop in on a unicorn during the movie's bombastic climax is just cringeworthy.
From the timesunion.com
More examples
Abruptness: an abrupt discourteous manner
(curtly) in a curt, abrupt and discourteous manner; "he told me curtly to get on with it"; "he talked short with everyone"; "he said shortly that he didn't like it"
Curtly Elconn Lynwall Ambrose (born September 21, 1963) is a former West Indian cricketer. His skill was as a right-arm fast bowler, especially in partnership with Courtney Walsh. His huge 6'7" (2. ...
The state of being curt
(curtly) In a curt manner; tersely, almost rudely
(n.): To be curt is to be brief and short to the point of being rude.