Arnold Schwarzenegger is reportedly set to reprise his most famous role - as an indestructible cyborg in the new Terminator movie.

The action star-turned-California governor was recently photographed on the set of the McG-directed, Christian Bale-starring Terminator: Salvation - prompting speculation he is due to return to the hit franchise.

Now online reports suggest the star will make a brief cameo at the end of the movie, playing his Terminator character. The Austrian-born muscleman shot to fame playing the cyborg in 1984's Terminator and followed it up in 1991's Terminator 2: Judgment Day and 2003's Terminator 3: Rise of the Machines.

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(This news article provided by World Entertainment News Network)