Hangup, also called Hang Up and later released under the name Super Dude,[1] is a 1974 film directed by Henry Hathaway.

[3] The film falls in the blaxploitation subgenre of "vigilante group cleans up ghetto streets".

[4] The film follows a black policeman seeking revenge on the man who got his girlfriend addicted to heroin.

"[3] Howard described the film as "low budget and flashy, but fast-moving and consistently entertaining.

"[3] Leonard Maltin wrote "Hathaway has done many fine films, but this, his last, isn't one.