弗兰克·阿莱特

Frank Aletter

饰：Col. Gene Cameron

菲利普·鲍诺伊夫

Philip Bourneuf

饰：General Davis

盖瑞·科林斯

Gary Collins

饰：Sparky's Owner

Robert Dunlap

饰：Pat (as Bob Dunlap)

杰克·金

Jack Ging

饰：Lt. Colonel Stone

Ron Hayes

饰：Garth Holden

Stephen R. Hudis

饰：Jimmy Frendericks

Murray MacLeod

肯尼斯·托比

Kenneth Tobey

饰：Colonel Bill Morgan

Lloyd Nelson

饰：Range Control Officer,

Robert Burton

Robert Burton

饰：Ron Holden,(as Skip Burton)

Sean Kelly

饰：Jimmy Fredericks

Lassie

Richard Tretter

Richard Tretter

饰：Captain Chuck Lindsay