Johnny Desmond
— Mike Gilbert
Richard Devon
— Roy Gruber
Roy Engel
— Hap
Ken Christy
— Curly Gruber
William Bryant
— Richie
Merry Anders
— Robbie
Larry J. Blake
— Hap's Lead Henchman
Paul Bryar
— Mr. Lang
Don Devlin
— Undetermined Role [IMDb name: "Piggy"]
Dean Fredericks
— Hap's Henchman Jerry
Victor Millan
— Lawyer Mendez
Peggy Maley
— Georgia Gilbert
Dennis Moore
— Police Sgt. at Headquarters
Tristram Coffin
— Detective Lieutenant at Headquarters