The Oscar winner didn't hold back during an interview on the 'Happy Sad Confused' podcast.
'Harry Potter 20th Anniversary: Return to Hogwarts' premieres Saturday, Jan. 1, on HBO Max.
He admitted to being too young to be intimidated by most of his famous co-stars at first.
Can you believe how many famous faces appeared on 'Friends' over the years?
Riz Ahmed, Andra Day, Daniel Kaluuya and Leslie Odom, Jr., are also being honored.
Stars Accept Palm Springs International Film Awards Honors
The first look at the film adaptation of the 2017 bestseller is filled with suspense and an all-star cast.
The submarine action flick co-stars Common, Gary Oldman and Linda Cardellini. 'Hunter Killer' is in theaters Oct. 26.
Oldman won Best Actor for his work in 'Darkest Hour' at the 90th Annual Academy Awards.
The 'Darkest Hour' star won his first ever Academy Award for his portrayal of Winston Churchill.
The actor also tells ET he and his wife are looking forward to the end of award show season while attending the 90th Annual Academy Awards.
The 59-year-old actor opens up about the lengths he went to in order to achieve his Oscar-nominated performance as Winston Churchill.
ET gives our best guess at who will win in every category -- and who should win.
The Oscar-nominated actor and 'Darkest Hour' makeup artist Kazuhiro Tsuji reveal what went into the movie's uncanny transformation in this exclusive look behind the scenes.