Exhibit 24
POWER OF ATTORNEY

KNOW ALL MEN BY THESE PRESENTS: that I, Michael J. Sherin III,
constitute and appoint James G. Gallagher and Anne G. Kelly,
 as true and lawful attorney-in-fact, with
full power of substitution and resubstitution, for me and in my
name, place and stead, in any and all capacities to prepare,
execute, and submit to the SEC a Form ID, including amendments
thereto, and any documents necessary or appropriate to obtain
codes and passwords enabling the undersigned to make electronic
filings with the SEC of Forms 3, 4 and 5 in accordance with
Section 16(a) of the Securities and Exchange Act of 1934 and
the rules and regulations promulgated under and Schedule 13D in
accordance with section 13(d) of the Exchange Act and the
rules and regulations promulgated under. I also constitute and
appoint James G. Gallagher and Anne G. Kelly, as true and lawful
attorney-in-fact, with full power of substitution and
resubstitution, for me and in my name, place and stead, in any
and all capacities to sign any Forms 3, 4 and 5 in accordance
with Section 16(a) of the Securities and Exchange Act of 1934
and the rules thereunder (including any amendments or exhibits
thereto and other forms and reports) that I may be required to
file with the U.S. Securities and Exchange Commission as a result
of my ownership or transactions in securities of AMC Networks
Inc., granting unto said attorneys-in-fact and agents, and each of
them, full power and authority to do and perform each and every
act and thing required and necessary to be done in and about
the foregoing as fully for all intents and purposes as I might
or could do in person, hereby ratifying and
confirming all that said attorneys-in-fact and agents or any of
them, or their or his or her substitute or substitutes,
may lawfully do or cause to be done by virtue hereof.
I acknowledge that the attorneys-in-fact and agents, each serving
in such capacity as requested herein, are not assuming,
nor is AMC Networks Inc. assuming, any of the responsibilities to
comply with Section 16 of the Securities and Exchange Act of 1934.
This power of attorney is not intended to, and does not, revoke,
or in any way affect, any prior power of attorney that I have
executed.

This Power of Attorney shall remain in full force and effect
until I no longer am required to file Forms 3, 4, and 5 with
respect to my holdings of and transactions in securities issued
by AMC Networks Inc., unless earlier revoked by me in a signed
writing delivered to the foregoing attorneys-in-fact.

In Witness Whereof, I have hereunto signed my name on
the 25th day of August, 2021.

/s/ Michael J. Sherin III
MICHAEL J. SHERIN III