Kelly Sherwood (Lee Remick) is a bank teller who lives with her teenage sister, Toby (Stefanie Powers of Die, Die, My Darling). One night a stranger named Red Lynch (Ross Martin) sneaks up behind her in her garage and tells her she has to steal $100,000 from her bank or there will be dire consequences for her and her sister. Kelly manages to contact the FBI, and Agent Ripley (Glenn Ford) is assigned to the case, trying both to find and identify Lynch and to protect Kelly and her sister from harm. Eventually it is decided to let Kelly go along with the plot in an effort to trap Lynch, with the climax occurring in a crowded stadium. Experiment in Terror begins well and has a couple of decent sequences, but Blake Edwards is no suspense specialist, and the film becomes meandering, uninvolving, and rather dull. Remick gives a controlled and competent performance but doesn't offer one iota more for her portrayal; Powers is much better as her sister. Ford plays the "G-Man" with a quiet authority that never quite makes him seem like the best man for the job. Anita Loo and Patricia Huston have flavorful supporting roles as two women who were also in Lynch's life, to the former's advantage and the latter's regret. Ross Martin gives the most notable performance as the criminal "mastermind" who seems to have some sympathy for the little son of a woman he knows and whose hospital bills he is paying, but his character is not very well developed; three years later he gained TV fame on The Wild, Wild West and he was also outstanding in the classic TZ episode Death Ship. Henry Mancini's score is at times quite effective, and Philip Lathrop's cinematography of San Francisco and environs is also good.
Verdict: Paging Alfred Hitchcock. **.