Jack Palance as Roy Earle / Roy Collins

Shelley Winters as Marie Garson

Lori Nelson as Velma

Lee Marvin as Babe Kossuck

Pedro Gonzalez Gonzalez as Chico

Lon Chaney Jr. as Big Mac

Earl Holliman as Red

Perry Lopez as Louis Mendoza

Richard Davalos as Lon Preisser

Howard St. John as Doc Banton

Olive Carey as Ma Goodhue

Ralph Moody as Pa Goodhue

James Millican as Jack Kranmer

Bill Kennedy as Sheriff

Nick Adams as Bellboy (uncredited)

Chris Alcaide as Sheriff's Deputy (uncredited)

Fay Baker as Woman in Tropico Lobby (uncredited)

Larry J. Blake as Healy (uncredited)

Nesdon Booth as Tom (uncredited)

Paul Brinegar as Bus Driver (uncredited)

Joe Brooks as Observer at Accident Scene (uncredited)

Mushy Callahan as Observer at Accident Scene (uncredited)

Mae Clarke as Mabel Baughman (uncredited)

Tom Coleman as Cabbie (uncredited)

John Daheim as Holden (uncredited)

Steve Darrell as Plainclothesman (uncredited)

Don Dillaway as Observer at Accident Scene (uncredited)

Darren Dublin as Bellboy (uncredited)

Myrna Fahey as Margie (uncredited)

Ed Fury as Man with Tennis Racket at Accident Scene (uncredited)

Howard Hoffman as Fisherman (uncredited)

Dennis Hopper as Joe (uncredited)

Shep Houghton as Hotel Guest (uncredited)

Larry Hudson as Sheriff's Deputy (uncredited)

Carol Kelly as Girl at Cigar Counter (uncredited)

Carey Leverette as Velma's Friend (uncredited)

Peggy Maley as Kranmer's Girl (uncredited)

Philo McCullough as Observer at Accident Scene (uncredited)

John McKee as State Trooper (uncredited)

David McMahon as Auto Court Owner (uncredited)

Dennis Moore as Officer (uncredited)

Howard Negley as Tropico Watchman (uncredited)

Wendell Niles as Radio Announcer (uncredited)

Monty O'Grady as Hotel Guest (uncredited)

Gil Perkins as Slim (uncredited)

John Pickard as Sheriff's Deputy (uncredited)

Paul Power as Observer at Accident Scene (uncredited)

Richard Reeves as Deputy (uncredited)

Hugh Sanders as Mr. Baughman (uncredited)

Jeffrey Sayre as Tropico Guest (uncredited)

James Seay as Man in Tropico Lobby (uncredited)

Mickey Simpson as Officer (uncredited)

John Stephenson as Pfeiffer (uncredited)

Dub Taylor as Ed (uncredited)

Herb Vigran as Art (uncredited)

Max Wagner as Deputy Charlie (uncredited)

Charles Watts as Crowd Member (uncredited)

Robert B. Williams as Ned (uncredited)