James Mason
Self - Host / Captain Vialez

John Doucette
/ Matt Kovacs / Capt. Jerry Comstock / Chuck Nolan / Fallon / Jim Tally / Boucl...

John Bryant
Pete / Tony Savage / Robert / Lt. Harry Ryan / Lt. Lyle Smith / Sam Gates / Paul...

Diana Lynn
/ Bonnie Brewster

John Ireland
/ Billy Bob Jackson / Andrew Evans / Pete Bronson / Jim Regan

Arthur Franz
/ Larry Fleming / Sgt. Douglas Renfrew / Chris Mather / Steve Jordan / Chris Gr...

Barbara Billingsley
/ Ruth Curtis / Olivia Bryant / Ellen / Clare Gibney

Skip Homeier
Slim Haskell / Mark Norton / Dick Newton / Paddy / Zakka / Stretch

Margaret Field
/ Denise / Renee Beddoe / Lola / Laura Warren / Carla

Hayden Rorke
/ Pastor Thompson / Albert Cook / John Whitlock / Brian Levering

Scott Brady
/ Calvin Penny / Reno Cromwell / Officer Jim Kovacs / Shotgun Slade

Katherine Warren
/ Mrs. Gunther / Louise / Miss Dennis - Teacher

Edmond O'Brien
/ Capt. Simpson / Jim Reardon / Rick Saunders

Paul Brinegar
/ Brown / Link / Cousin Obie (uncredited) / Joe

Richard Carlson
Kelly McCall / / Alan Mitchell / Josef Lindquist / Lawrence 'Larry' Cameron

Hans Conried
Professor Greentree / Warren Fitzjerner / / Emory Caldwell / Professor

Vincent Price
An Artist / Swede / Baron Laval aka Aristide Pujol / Narrator / Wendell Bensen /...

Stephen McNally
Police Chief Dan Grabow / Tom Novak / Pvt. Earl Webb / Lt. Al Merrit / Frank Dys...

Paul Langton
Landry / Pete Hunter / Stacey Harris / Cochran / Mal Martin

Lee Van Cleef
Wink / Cowboy / Dallas Clancy / Larkin / Sheriff