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Katy Perry: Will You Be My Witness? (2017)

2017 • 1h 26m • Documentary, Music • G
IMDb7.9/1065TMDB77%7Rotten Tomatoes—Metacritic—
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On September 25, 2026
#44507▼ 10741
44507th by Pulse movie online
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Most Popular Katy Perry: Will You Be My Witness? Cast Members

Anna Kendrick is the most popular Katy Perry: Will You Be My Witness? cast member right now, with a Popularity Score of 3.92. Updated September 27, 2026.

#
Cast
Popularity
1

Anna Kendrick

Self/32 years during filming
3.9
2

Katy Perry

Self/32 years during filming
2.7
3

America Ferrera

Self/33 years during filming
2.5
4

James Corden

Self/39 years during filming
2.3
5

RuPaul

Self/56 years during filming
2.2
6

Gordon Ramsay

Self/50 years during filming
2.0
7

Sia

Self/41 years during filming
2.0
8

Jesse Tyler Ferguson

Self/41 years during filming
1.9
9

Margaret Cho

Self/48 years during filming
1.9
10

Neil deGrasse Tyson

Self/58 years during filming
1.8
11

Mario López

Self/43 years during filming
1.8
12

Caitlyn Jenner

Self/67 years during filming
1.8
13

Dita Von Teese

Self/45 years during filming
1.6
14

Patty Jenkins

Self/46 years during filming
1.5
15

Amanda Seales

Self/36 years during filming
1.1
16

Van Jones

Self/49 years during filming
0.8
17

Gigi Lazzarato

Self/25 years during filming
0.7
18

Ana Navarro

Self/45 years during filming
0.7
19

Mia Moretti

Self
0.7