Trapped

Lloyd Bridges

Steve McCroskey

Russ Conway

Reverend Edward Snow

Rory Mallinson

Toby Wilson

Frank Sully

Lee Repp

Lucille Barkley

Undine

Barbara Payton

Kathy Summers

Jay C. Flippen

Sheriff Cardigan

Harry Antrim

R.H. Macy (uncredited)

James Todd

Sandy Comstock

Ralph Brooks

Reporter in Newspaper Office (Uncredited)

John Hoyt

Shaman

George Barrows

Federal Agent (uncredited)

Tommy Noonan

Gus Esmond

Robert Karnes

Mike

Dick Gordon

Party Guest (uncredited)