06/07/2011 AT 08:20 AM EDT
will return to his soapy roots for a cameo on All My Children
, the ABC daytime drama that helped launch his career, EW.com
Before the show ends for good
in September, the Transformers: Dark of the Moon
actor has agreed to reprise his role of con man Leo du Pres – who was presumed dead in a waterfall accident, although his body was never found.
Duhamel, 38, won an Daytime Emmy for his AMC
role in 2002.
"Everyone at All My Children
is thrilled and excited to welcome Josh back to Pine Valley," AMC
executive producer Julie Carruthers said in a statement. "The appearance of Leo is sure to be one the highlights of the season."
– Sarah Durham Wilson