Biff Elliot as Mike Hammer

Preston Foster as Capt. Pat Chambers

Peggie Castle as Charlotte Manning

Margaret Sheridan as Velda

Alan Reed as George Kalecki

Mary Anderson as Eileen Vickers

Tom Powers as Milt Miller

Frances Osborne as Myrna Devlin

Bob Cunningham as Hal Kines

Tani Guthrie as Mary Bellamy

Dran Hamilton as Esther Bellamy

Joe Besser as Pete, Elevator Operator

Paul Dubov as Marty

John Qualen as Dr. R.H. Vickers, Veterinarian

Nestor Paiva as Manuel

Robert Swanger as Jack Williams

Elisha Cook Jr. as Bobo

Ottola Nesmith as Cathy

Juan Duval as

Wally Rose as

Elisha Cook Jr. as

Roy Engel as

Colin Kenny as

Gil Perkins as

Frank Richards as

Suzanne Ridgway as

Lester Sharpe as

Jack Stang as

Charles Sullivan as

William Tannen as

Carol Thurston as

Sailor Vincent as