Who plays Simmons in Transformers: Revenge of the Fallen?

Simmons is played by John Turturro.

What are Simmons's abilities?

Simmons's abilities include conspiracy knowledge, survival, humor.

Simmons has 3 mapped relationships in Transformers: Revenge of the Fallen. Explore the interactive relationship map for details.

Eccentric former Sector 7 agent aiding the Autobots.

Simmons — Alliance Informational Ally — Sam Witwicky (Shia LaBeouf)
Simmons provides Sam with knowledge that advances the search for the Matrix.

Sam seeks out Simmons for information about Transformers and hidden Seekers on Earth.
Simmons — Alliance Quest Ally — Mikaela Banes (Megan Fox)
Mikaela participates in the alliance formed around Simmons's information.

Mikaela travels with Sam to seek Simmons, whose knowledge helps them locate a hidden Seeker and the Matrix.
Simmons — Alliance Human Ally — Optimus Prime (Peter Cullen)
Simmons indirectly supports Optimus by guiding the human search for the Matrix.

Simmons provides information that enables Sam and Mikaela to locate the Matrix, which is later used to resurrect Optimus.