Redman began his career in film as the cinematographer for the 1927 Pathé Exchange serial, Hawk of the Hills, starring Allene Ray and Walter Miller, and directed by Spencer Gordon Bennet.

[3] In 1931, Redman began a long association with RKO Pictures, working as one of the cameramen under Edward Cronjager, on the Academy Award-winning film, Cimarron.

on Fugitives for a Night, starring Frank Albertson, Eleanor Lynn, Allan Lane, and directed by Leslie Goodwins from a screenplay by Dalton Trumbo.

[13] On the 1938 romantic comedy Maid's Night Out, directed by Ben Holmes and starring Joan Fontaine and Allan Lane was praised for using their "lights and lenses to the fullest advantage.

"[14] That same year, his work on The Saint in New York starring Louis Hayward, which he was the co-cinematographer with Joseph August, was credited as "furnish[ing] exceptional photography.

[23] Redman's final film of the year was the musical Too Many Girls, starring an all-star cast, which included Lucille Ball and Desi Arnaz, who met while working on this picture.

[33] Redman's work in the romantic comedy, A Lady Takes a Chance (1943), starring John Wayne and Jean Arthur, was singled out for its quality.

[38] Redman shot half a dozen films the following year, the first of which was Having Wonderful Crime, a mystery comedy starring Pat O'Brien, George Murphy, and Carole Landis.

His final effort on the big screen was the 1952 action film, The Pace That Thrills, also marking the end of his long association with RKO, which began in 1931.

[54] In 1957 Redman was chosen to film the last television play written by Paddy Chayefsky, "The Great American Hoax", on The 20th Century Fox Hour.