He was defeated after a single term but later served in the Western Australian Legislative Assembly from 1968 to 1971, representing the seat of Mirrabooka.

[1] His father was born in Iowa and moved to Canada as a child, working on the Canadian Pacific Railway and later as a hotel proprietor and storekeeper.

He joined the Postmaster-General's Department in 1934 and worked for periods in Perth and on the Eastern Goldfields at Coolgardie, Norseman and Kalgoorlie.

He transferred to the Royal Australian Air Force (RAAF) in January 1941 and served as a stores and accounts clerk.

[3] Cash joined the Liberal and Country League of Western Australia in 1950 and was an officeholder in the party's Belmont and Yokine branches.

[5] He graduated Bachelor of Arts from the Western Australian Institute of Technology in the same year, having majored in politics.

He was again defeated after a single term, losing to ALP candidate Arthur Tonkin at the 1971 state election.