Invasion: Earth

Vincent Regan

as Flt. Lt. Chris Drake

Maggie O'Neill

as Dr. Amanda Tucker

Fred Ward

as Maj. Gen. David Reece

Phyllis Logan

as Sqn. Ldr. Helen Knox

Nicola Buckingham

as Echo

Paul J. Medford

as Nick Shay

Jo Dow

as Flt. Lt. Jim Radcliffe

Gerard Rooney

as Sgt. Tuffley

Laura Harling

as Emily Tucker

Bob Barrett

as Flt. Lt. Stewart

Anton Lesser

as Lt. Charles Terrell

Sara Kestelman

as Grp. Capt. Susan Preston

Christopher Fairbank

as Wg. Cdr. Friday

John Shrapnel

as Air Marshal Bentley

Nicola Grier

as Det. Sgt. Rebecca Holland

Diana Payan

as Gran

Hugh Ross

as Dr. Vickers

Sheila Grier

as Jenny Marchant

Michael Vaughan

as Insp. Boyd

Luke Garrett

as SAC Burton