President (voice)

Dr. Buzz Kutt (voice)

Mr. Burke

Richard Lambert

Mr. Crawford

Chief Shirer

Mr. Stevenson

Bill Gardner (as Ed Winter)

Dr. Strickland

Capt. Wes Biddle

John Quinn

Senator Martin Hastings

Capt. Everett Larson

Edward Dunsany

Baker Lawrence

Edward Dreighton

T. Howard Daniels

Clarence Egan

Mitchell Barnes

Edward Palmer

Bud Coleman

J. Benson Landale

Dr. Jorgenson

Commissioner Kimble

Torture Guard

Dr. Frank Waring

Rod Simpson

Congressman Walter McCallam

Hugh Tomlinson

Ted Winters

Kip Kipple

Colonel Flagg

Capt. Halloran

Charlie Chambers

Bill Swanson

Self - Nominee