Federal Agent at Large

Dorothy Patrick

Solitare

Robert Rockwell

Dr. Ross Carrington

Kent Taylor

Mark Reed, aka Nick Ravel

Estelita Rodriguez

Lopita

Thurston Hall

'Big Bill' Dixon

Frank Puglia

Angelo 'Angel' Badillo

Roy Barcroft

Nels Berger

Denver Pyle

'Jumpy' Jordan

Jonathan Hale

James Goodwin

Sonia Darrin

Mildred

Robert Kent

Harry Monahan

Kenneth MacDonald

Captain

Frank McFarland

Duke Warren

John McGuire

Customs Officer

Bob Mark

Makeup Artist

Albert DeMond

Screenplay

Howard Lydecker

Special Effects

Theodore Lydecker

Special Effects

Stephen Auer

Producer

Arthur Roberts

Editor

Stanley Wilson

Original Music Composer

John MacBurnie

Director of Photography

Frank Arrigo

Art Direction

George Blair

Director

Adele Palmer

Costume Design

John McCarthy Jr.

Set Decoration

Dick Tyler Sr.

Sound

Charles S. Thompson

Set Decoration

Lee Lukather

Assistant Director