On Friday,Daniel Radcliffeshared a sweet tribute forMaggie Smith, whodied earlier in the dayat age 89.

The actors appeared together in theHarry Potterfilms, in which Smith played Professor McGonagall.

at which she laughed and said something to the effect of Dont be ridiculous!

HARRY POTTER AND THE ORDER OF THE PHOENIX, from left: Maggie Smith, Daniel Radcliffe, 2007. ©Warner Bros./Courtesy Everett Collection

Maggie Smith and Daniel Radcliffe in ‘Harry Potter and the Order of the Phoenix,’ 2007.Warner Bros./Everett Collection

I remember feeling nervous to meet her and then her putting me immediately at ease.

No cause ofdeathwas given.

She was a two-time Oscar winner, and starred in films such asSister ActandDowntown Abbey.