In an interview with WSJ actor John Lightgow revealed his role in Pitch Perfect 3.
SPOILER ALERT!
Lightgow will play Fat Amy’s father!
Source: WSJ
A fansite about the movie Pitch Perfect and its song Cups (When I'm Gone)

In an interview with WSJ actor John Lightgow revealed his role in Pitch Perfect 3.
SPOILER ALERT!
Lightgow will play Fat Amy’s father!
Source: WSJ