The Observer (UK) by Wendy Ide

[An] affectionate, frequently amusing documentary portrait.

The Telegraph by Robbie Collin

There is also a wonderful range of archive materials apparently dug out from Sievey’s cellar, including footage of Frank’s transfixingly odd appearances on Saturday morning children’s television, skulking around behind Andy Crane on Motormouth and riffing with Andrea Arnold on No. 73.

The Hollywood Reporter by John DeFore

A charmer with strong appeal for video release, it is lively enough to merit a niche theatrical run beforehand.

The Guardian by Peter Bradshaw

It’s appropriate that this absorbing, tender documentary has been driven by a surge of fan loyalty and love.

Empire by Dan Jolin

An impressive sift through one of the UK’s weirdest pop-cult phenomena, even if it doesn’t manage to unpick the strange relationship between Sievey and Sidebottom.

CineVue by Alasdair Bayman

Uncovering the man behind the mask, Being Frank: The Chris Sievey Story is a deeply compassionate documentary. Created thanks to the tireless efforts of its filmmakers in sourcing crowdfunding to produce the feature, a communal spirit lingers over the film.

Variety

A documentary, at once acerbic and affectionate, that tracks Sievey’s one-of-a-kind, semi-off-the-rails career.