Ronald Reagan

as Lt. 'Brass' Bancroft

Ila Rhodes

as Pamela Schuyler

Eddie Foy Jr.

as Gabby Watters

James Stephenson

as Jim Cameron

John Litel

as Chief Agent Tom Saxby

Frank M. Thomas

as Doc

Bernard Nedell

as Earl 'Ace' Hemrich

John Ridgely

as Joe LeRoy

Anthony Averill

as Lead Henchman Hafer

Rosella Towne

as Zelma Warren

Joe Cunningham

as Agent Dawson

John Hamilton

as Warden Jackson

John Harron

as Agent Cliff Durell

Sidney Bracey

as John 'Joe' Vicary

Pierre Watkin

as Chief of the Secret Service

Larry Williams

as Dick Wayne

Richard Bond

as Buzzy - San Francisco Radio Operator

Herbert Rawlinson

as Adm. A.C. Schuyler

Davison Clark

as Deputy Warden

Morgan Conway

as Henchman Ed Powell

Alberto Morin

as Pedro the Bartender

Raymond Bailey

as Henchman Starting Fight [script name: Klune]

Henry Otho

as The Turnkey

Edgar Edwards

as Convict Crowley

Al Lloyd

as Convict Bartell

Pat O'Malley

as Guard Cooper

Eddy Chandler

as Capt. King - Highway Patrol

Eumenio Blanco

as Mexican Businessman in Bar

Nat Carr

as Drunk at Bar

John Sinclair

as First Tough in Bar Fight

Duke Green

as Second Tough in Bar Fight

Paul Panzer

as Ivan - an Alien

Jack Wise

as Ivan's Alien Pal

Sol Gorss

as Border Patrol Pilot

Jack A. Goodrich

as Border Patrol Co-Pilot

Lane Chandler

as U.S. Border Patrol Officer

Glen Cavender

as Waiter

George Sorel

as Capt. Cortez - Mexican Police

Don Turner

as Agent Harper

Carlyle Moore Jr.

as Glendale Radio Operator

Dave Roberts

as Highway Police Announcer (voice)

Frank Mayo

as Treasury Agent Manning

Jack Mower

as Treasury Agent Aldrich

Stuart Holmes

as Agent Gowing

Hal Craig

as Ground Superintendent

Jeffrey Sayre

as Road Gang Guard

Harry Hollingsworth

as Guard

John J. Richardson

as Alien - First Flight

Cliff Saum

as Alien - First Flight