Cast of Short Circuit

Ally Sheedy plays Stephanie Speck, a free-spirited animal lover who befriends Number 5.

Steve Guttenberg portrays Newton Crosby, a robotics engineer who creates Number 5.

Fisher Stevens takes on the role of Ben Jabituya, an eccentric and enthusiastic inventor.

Austin Pendleton plays Howard Marner, a paranoid military contractor who wants to capture Number 5.

G.W. Bailey portrays Skroeder, a gruff and no-nonsense military officer.

Brian McNamara plays Frank, a young technician who befriends Number 5.

Tim Blaney provides the voice for Number 5, the intelligent robot who longs to discover the world.

Marvin J. McIntyre plays Duke, a helpful and friendly citizen who encounters Number 5.

John Garber portrays Otis, a mischievous individual involved in a comical incident with Number 5.

Penny Santon plays Mrs. Cepeda, a warm and caring woman who assists the main characters.

Vernon Weddle portrays General Washburne, a military leader involved in the pursuit of Number 5.

Barbara Tarbuck plays Senator Mills, a government official concerned about the actions of Number 5.