
Dierkes was born on February 10, 1905 in Cincinnati, Ohio. He attended Brown University and subsequently went to work as an economist for the United States Department of State. In 1941 he joined the Red Cross and served in the Britain duringWorld War II. There he met director John Huston who recommended that he try Hollywood after the war. Instead, Dierkes went to work for the U.S. Treasury Department which coincidentally sent him to Hollywood to function as technical advisor for the film To the Ends of the Earth (1948). Because of his appearance and very tall frame (6 feet, 6 inches), Dierkes enjoyed a long career as a character actor, often portraying villains or soldiers. In the 1953 film Shane, Dierkes portrays villain Morgan Ryker, who is the last man shot by the title character, Shane, in the final bar room shootout. One of his more memorable scenes is in the 1960 film, The Alamo. Dierkes portrays a Tennessean named Jocko, who is torn between leaving before the attack to care for his blind wife, or staying to support the Texans' cause. Understanding that if Jocko stays to fight she will likely be widowed, Jocko's wife coaxes him to stay and defend the fort, despite her disability. Dierkes died in 1975 of emphesyma and was survived by his wife Cynthia, two sons, and two daughters.

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Macbeth

Rawhide

Schlitz Playhouse of Stars

アラモ

The Rifleman

Blood Arrow

Tales of Wells Fargo

The Fastest Gun Alive

Jubal

Wanted: Dead or Alive

遊星よりの物体X

怪談呪いの霊魂

コマンチェロ

片目のジャック

縛り首の木

Friendly Persuasion

Gunsmoke

X: The Man with the X-Ray Eyes

The Desperado

The Raid

Rage

Peter Gunn

黒い絨毯

The Buccaneer

The Red Badge of Courage

忍者と悪女

The Premature Burial

Creepy Classics

Silver City

The Guns of Fort Petticoat

Telephone Time

凸凹ジキルとハイド

Not as a Stranger

地球最後の男 オメガマン

左きゝの拳銃

The Halliday Brand

Gun Fury

Adventures Of The Falcon

Daughter of Dr. Jekyll

The Moonlighter

The Oregon Trail

The Aquanauts

Les Miserables

Johnny Cool

Three Husbands

Hell's Outpost

Convicts 4

Death in Small Doses

Betrayed Women

The Vanquished

Valerie

The Vanishing American

Duel at Apache Wells

The Buckskin Lady

The Slowest Gun in the West