Jake Gyllenhaal plans to write and direct movies in the future because he constantly worries about his longevity as an actor.
The Brokeback Mountain star fears his onscreen appeal will eventually wane and he wants to extend his Hollywood career by making his own movies.
He says, "Well, I do have a number of things that I'm developing. That's probably where the future lies for me - but I'm not going to give up the day job just yet.
"I'd like to see where it goes.
"You're always wondering how long this will last. It's a piece of being an actor. There's always someone more talented or younger than you.
"But I also like to write. In years to come, I think that will expand. I won't just be scrapping for the next job. Maybe I'll create something for myself."
Gyllenhaal is back on the big screen this week as he teams up with filmmaker Duncan Jones for Source Code.
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