约翰·艾加尔

John Agar

饰：Dr. Matt Hastings

玛拉·科黛

Mara Corday

饰：Stephanie 'Steve' Clayton

里奥·G·卡罗尔

Leo G. Carroll

饰：Prof. Gerald Deemer

内斯特帕瓦

Nestor Paiva

饰：Sheriff Jack Andrews

罗斯·艾略特

Ross Elliott

饰：Joe Burch

Edwin Rand

饰：Lt. John Nolan

雷蒙德·贝利

Raymond Bailey

饰：Prof. Townsend

Hank Patterson

饰：Josh

Bert Holland

饰：Barney E. Russell

Steve Darrell

饰：Andy Andersen

迪·卡罗尔

Dee Carroll

饰：Telephone Operator (uncredited)

Edgar Dearing

饰：Second Tramp (uncredited)

唐·迪拉韦

Don Dillaway

饰：Jim Bagny (uncredited)

克林特·伊斯特伍德

Clint Eastwood

饰：Jet Squadron Leader (uncredited)

Jane Howard

饰：Coed Secretary (uncredited)

James Hyland

James Hyland

饰：Trooper Grayson (uncredited)

汤姆·朗顿

Tom London

饰：Jeff (1st Tramp) (uncredited)

Bob Nelson

Bob Nelson

饰：State Trooper (uncredited)

Eddie Parker

饰：Paul Lund,Eric Jacobs (uncredited)

Ray Quinn

Ray Quinn

饰：State Trooper (uncredited)

Vernon Rich

饰：Ridley (uncredited)

宾·拉塞尔

Bing Russell

饰：Deputy (uncredited)

Robert R. Stephenson

饰：Warehouseman (uncredited)

杰克·斯托尼

Jack Stoney

饰：Helper (uncredited)

Stuart Wade

Stuart Wade

饰：Maj. Vernon (uncredited)

Billy Wayne

饰：Murphy (uncredited)

Rusty Wescoatt

饰：Driver (uncredited)

Bud Wolfe

饰：Bus Driver (uncredited)

Nestor Paiva

Nestor Paiva

饰：Sheriff Jack Andrews