Berry returns for his second spell at the club after making three appearances during the 2020/21 season.
The winger, who has featured for West Bromwich Albion, Rushall Olympic and Walsall Wood, was most recently plying his trade at fellow NPL Midlands side Gresley Rovers.
Joining him at the Scholars Ground is forward Joe Cuff.
The 26-year-old joins Chasetown on dual-registration with Southern Football League side Bromsgrove Sporting.
Cuff has featured for AFC Telford United, Stafford Rangers and Hednesford Town.
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