One Jump Ahead is a 1955 British crime film directed by Charles Saunders and starring Paul Carpenter, Diane Hart, Jill Adams and Freddie Mills. The film was based on a novel by American crime novelist Robert H. Chapman. The screenplay concerns a journalist who helps police track down the killer of a female blackmailer. The title refers to the reporter's attempts to keep "one jump ahead" of the police in solving the crime.

Plot

Reporter Paul Banner, a Canadian "noozeman", works at the Daily Comet in England. When a young boy witnesses a murder, the killer mistakenly tracks down the boy's friend and kills who he thinks is the only witness to the crime. Banner becomes interested in getting to the bottom of the murders but complications arise when Judy (Jill Adams), his ex-love, becomes involved.