POWER OF ATTORNEY

        Know all by these presents that Stephen Leonard, does hereby make,
constitute and appoint each of Christine Caputo and Kali Lalis or any one of
them, as a true and lawful attorney-in-fact of the undersigned with full powers
of substitution and revocation, for and in the name, place and stead of the
undersigned (in the undersigned's individual capacity), to execute and deliver
such forms that the undersigned may be required to file with the U.S. Securities
and Exchange Commission as a result of the undersigned's ownership of or
transactions in securities of Catalent, Inc. (i) pursuant to Section 16(a) of
the Securities Exchange Act of 1934, as amended, including without limitation,
statements on Form 3, Form 4 and Form 5 (including any amendments thereto) and
(ii) in connection with any applications for EDGAR access codes, including
without limitation the Form ID. The Power of Attorney shall remain in full force
and effect until the undersigned is no longer required to file Forms 3, 4 and 5
with regard to the undersigned's ownership of or transactions in securities of
Catalent, Inc., unless earlier revoked in writing. The undersigned acknowledges
that Christine Caputo and Kali Lalis are not assuming any of the undersigned's
responsibilities to comply with Section 16 of the Securities Exchange Act of
1934.

                                        By:  /s/ Stephen Leonard
                                           --------------------------------
                                             Stephen Leonard

Date: July 28, 2014