He played for the Atlantic City Sea Gulls of the Eastern Hockey League from 1932-33 through 1938-39. He led the league in scoring in 1937, 1938 and 1939, led in goals in 1936, 1937, 1938, and 1939, and was on the first all-star team in five seasons. Foster then played in the American Hockey League through 1942-43, also playing 5 games for the New York Rangers in 1940-41. He joined the senior Kingston Army Frontenacs team in 1943-44 and then spent two years in the Canadian military during World War II.