Robert Downey Jr. is set to join Tim Allen in Walt Disney Pictures
The Shaggy Dog, according to the Hollywood Reporter.
The movie, helmed by Brian Robbins, is the comic remake about a man who occasionally changes into a sheepdog.
Downey will play a yuppie entrepreneur who is using dogs to experiment with the miracle drug he hopes will give seven years to every human year. Danny Glover and Kristin Davis also star.
Filming began November 15th in Los Angeles.