John Conrad, alias Johnny Salvo

Ray Danton

Acting

Maria Craven

Leigh Snowden

Acting

Don Kastner

Grant Williams

Acting

Chief Agent Alec Conrad

Onslow Stevens

Acting

Philip Bormann

Raymond Bailey

Acting

Agent Maury Saxton

Judson Pratt

Acting

Agent Pill Schwartz

Jack Kruschen

Acting

Agent Harris

Floyd Simmons

Acting

Milo

Mel Welles

Acting

Warden Lewis

Alexander Campbell

Acting

Mrs. Pulenski (as Karen Verne)

Kaaren Verne

Acting

Mr. Pulenski

Maurice Doner

Acting

Bill MacReady

Jess Kirkpatrick

Acting

Agent Parker

Arthur Hanson

Acting

Agent Pomeroy

Richard H. Cutting

Acting

Bus Station Attendant

George E. Mather

Acting

Mama Gomez

Amapola Del Vando

Acting

Mrs. Flynn

Ezelle Poule

Acting