Ray Danton
John Conrad, alias Johnny Salvo
Leigh Snowden
Maria Craven
Grant Williams
Don Kastner
Onslow Stevens
Chief Agent Alec Conrad
Raymond Bailey
Philip Bormann
Judson Pratt
Agent Maury Saxton
Jack Kruschen
Agent Pill Schwartz
Floyd Simmons
Agent Harris
Mel Welles
Milo
Alexander Campbell
Warden Lewis
Kaaren Verne
Mrs. Pulenski (as Karen Verne)
Maurice Doner
Mr. Pulenski
Jess Kirkpatrick
Bill MacReady
Arthur Hanson
Agent Parker
Richard H. Cutting
Agent Pomeroy
George E. Mather
Bus Station Attendant
Amapola Del Vando
Mama Gomez
Ezelle Poule
Mrs. Flynn