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March 3, 1912
|Spouse(s)||Marcy McGuire (1947-?)|
He began his film career in 1942, having frequently appeared in small, uncredited roles. Mickey Rooney, with whom Cassell appeared in the film noir Quicksand (1950), is credited with suggesting the change of name to Wally Cassell.
His films include The Thin Man Goes Home (1944), The Story of G.I. Joe (1945), Clock (1945), The Postman Always Rings Twice (1946), Guilty (1947), Loves of Carmen (1948), Saigon (1948), Sands of Iwo Jima (1949), White Heat (1949),Quicksand (1950), City That Never Sleeps (1953), Island in the Sky (1953), Law and Order (1953), Princess of the Nile (1954), Until They Sail (1957), and I, Madman (1989).
He later appeared in two syndicated programs starring Jim Davis: Stories of the Century, in the role of gunman Luke Short, and Rescue 8, as Johnny French in "One More Step". Cassell also guest starred in several television series, including The Loretta Young Show (1955), Gunsmoke (1956), the 1959 premier episode of The Untouchables' "The Empty Chair", Rawhide (1960), and The Beverly Hillbillies (1963).
- "Marcy McGuire". Des Moines Register. Retrieved May 2, 2014.