Jack Kruschen
Agent Pill Schwartz
Raymond Bailey
Philip Bormann
Mel Welles
Milo
Ray Danton
John Conrad, alias Johnny Salvo
Judson Pratt
Agent Maury Saxton
Kaaren Verne
Mrs. Pulenski (as Karen Verne)
Onslow Stevens
Chief Agent Alec Conrad
Richard H. Cutting
Agent Pomeroy
Grant Williams
Don Kastner
Leigh Snowden
Maria Craven
Floyd Simmons
Agent Harris