James Lanphier was a well-known film actor who made a lasting impression on the big screen with his compelling and powerful performances. Early in his career, James Lanphier took on memorable roles, including appearances in the popular television series Peter Gunn (NBC, 1958–1961), which helped lay the foundation for his growing reputation. Around the same time, he appeared in the Tony Curtis-led comedy The Perfect Furlough (1958), showcasing his versatility as an actor.

As his career progressed, James Lanphier transitioned into more prominent film roles. He delivered a strong performance in the 1962 thriller Experiment in Terror, starring Glenn Ford—an adaptation that highlighted his ability to hold his own in tense, dramatic settings. Not long after, James Lanphier became part of cinematic history with his role in the classic 1964 comedy The Pink Panther, where he shared the screen with Peter Sellers in one of the most iconic films of the era.

In addition, James Lanphier contributed to the 1968 psychological drama The Legend of Lylah Clare, starring Kim Novak, further demonstrating his range across genres. That same year, he returned to comedy alongside Peter Sellers once again in The Party, a film celebrated for its improvisational humor and unique style.

Towards the later stages of his career, James Lanphier continued to take on meaningful projects, including the 1970 romantic comedy Darling Lili, which starred Julie Andrews. Throughout his journey in Hollywood, James Lanphier remained a dependable and talented presence, leaving behind a body of work that continues to be appreciated by film enthusiasts.