Born in Ottumwa, Iowa. Assistant director who began at Paramount in 1937 with BORN TO THE WEST (aka HELL TOWN). Other a.d. credits include REMEMBER THE NIGHT (1940), ROAD TO ZANZIBAR and BIRTH OF THE BLUE (both 1941) and WAKE ISLAND and ROAD TO MOROCCO (both 1942). In 1945, Walker became a director at Paramount, and his credits include OUT OF THIS WORLD, DUFFY'S TAVERN and THE STORK CLUB (all 1945), ROAD TO UTOPIA (1946), MY FRIEND IRMA GOES WEST and AT WAR WITH THE ARMY (both 1950), THAT'S MY BOY and SAILOR BEWARE (both 1951) and his last picture, ROAD TO BALI (1952).    Nominated for Assistant Director 1937: SOULS AT SEA 1 nomination