In 1917, Sam Goldwyn of Goldwyn Pictures signed Kennedy to a film contract.
She starred in 21 five-reel films, such as Baby Mine (1917), Nearly Married (1917), Our Little Wife (1918), The Service Star (1918) and Dollars and Sense (1920).

Kennedy told a reporter in 1916, "I have discovered that one of the best ways to act is to make your mind as vacant as possible."
In 1918, Our Little Wife premiered with Kennedy playing the role of Dodo Warren.
The story is about a woman whose marriage is both humorous and sad.
The screenplay was adapted from a comedy by Avery Hopwood.

A Perfect Lady (1918) was released in December and was taken from a stage play by Channing Pollock and Rennold Wolf.
Kennedy co-starred with James Montgomery.
In 1923, she starred in The Purple Highway.
The screenplay is an adaptation of the stage play Dear Me, written by Luther Reed and Hale Hamilton.

The 1920s were a productive period for Kennedy.
Following The Purple Highway, she had prominent roles in Three Miles Out (1924), Scandal Sheet (1925), Bad Company (1925), Lying Wives (1925), Oh, Baby! (
1926), and Walls Tell Tales (1928).

She was out of motion pictures until she resumed her career in The Marrying Kind (1952) and Main Street to Broadway (1953).

In the late 1950s, she combined TV work with roles in movies like  The Rains of Ranchipur (1955), The Catered Affair (1956), Lust for Life (1956), Houseboat (1958), A Nice Little Bank That Should Be Robbed (1958), Plunderers of Painted Flats (1959), and North by Northwest (1959).
She has an uncredited part as a secretary in the Marilyn Monroe film Let's Make Love (1960).

Her film career endured into the 1970s with roles in They Shoot Horses, Don't They? (
1969), The Baby Maker (1970), The Day of the Locust (1975), and Marathon Man (1976).
In 1917, Sam Goldwyn of Goldwyn Pictures signed Kennedy to a film contract. She starred in 21 five-reel films, such as Baby Mine (1917), Nearly Married (1917), Our Little Wife (1918), The Service Star (1918) and Dollars and Sense (1920).
Kennedy told a reporter in 1916, "I have discovered that one of the best ways to act is to make your mind as vacant as possible." In 1918, Our Little Wife premiered with Kennedy playing the role of Dodo Warren. The story is about a woman whose marriage is both humorous and sad. The screenplay was adapted from a comedy by Avery Hopwood. 
A Perfect Lady (1918) was released in December and was taken from a stage play by Channing Pollock and Rennold Wolf. Kennedy co-starred with James Montgomery. In 1923, she starred in The Purple Highway. The screenplay is an adaptation of the stage play Dear Me, written by Luther Reed and Hale Hamilton. 
The 1920s were a productive period for Kennedy. Following The Purple Highway, she had prominent roles in Three Miles Out (1924), Scandal Sheet (1925), Bad Company (1925), Lying Wives (1925), Oh, Baby! (1926), and Walls Tell Tales (1928).
She was out of motion pictures until she resumed her career in The Marrying Kind (1952) and Main Street to Broadway (1953). 
In the late 1950s, she combined TV work with roles in movies like  The Rains of Ranchipur (1955), The Catered Affair (1956), Lust for Life (1956), Houseboat (1958), A Nice Little Bank That Should Be Robbed (1958), Plunderers of Painted Flats (1959), and North by Northwest (1959). She has an uncredited part as a secretary in the Marilyn Monroe film Let's Make Love (1960).
Her film career endured into the 1970s with roles in They Shoot Horses, Don't They? (1969), The Baby Maker (1970), The Day of the Locust (1975), and Marathon Man (1976).
Madge Kennedy