Donald Blake

Arthur Franz

Acting

Madeline Howard

Joanna Moore

Acting

Lt. Mike Stevens

Judson Pratt

Acting

Jimmy Flanders

Troy Donahue

Acting

Sylvia Lockwood

Nancy Walters

Acting

Nurse Molly Riordan

Helen Westcott

Acting

Sgt. Eddie Daniels

Ross Elliott

Acting

Prof. Gilbert Howard

Alexander Lockwood

Acting

Dr. Oliver Cole

Whit Bissell

Acting

Tom Edwards - Forest Ranger

Richard H. Cutting

Acting

Townsend - Night Watchman

Hank Patterson

Acting

Sgt. Powell

Phil Harvey

Acting

Donald as a Monster

Eddie Parker

Acting

Student

Ronnie Rondell Jr.

Crew

Student

Anne Anderson

Acting