Mr. and Mrs. Edgehill

(1985)

Writer

Miss Marple: The Murder at the Vicarage

(1986)

Writer

Miss Marple: 4.50 from Paddington

(1987)

Screenplay

The Hound of the Baskervilles

(1988)

Adaptation

Miss Marple: A Caribbean Mystery

(1989)

Screenplay

Miss Marple: They Do It with Mirrors

(1991)

Writer

Miss Marple: The Mirror Crack'd from Side to Side

(1992)

Screenplay

The Eligible Bachelor

(1993)

Screenplay

Milner

(1994)

Writer

The Cater Street Hangman

(1998)

Writer

Hornblower: Mutiny

(2001)

Writer

Darling

(1965)

Tony Bridges (as Trevor Bowen)

I Was Happy Here

(1966)

Way Off Beat

(1966)

Piers

Edward & Mrs. Simpson

(1978)

Duff Cooper

Murphy's Stroke

(1980)

Collins

Young Shoulders

(1984)

Mr. Fawkes

Knockback: 1

(1985)

Sylvia's Lover

Frankie and Johnnie

(1986)

Miss Marple: A Caribbean Mystery

(1989)

Raymond West

I Hired a Contract Killer

(1990)

Departmen Head

Thatcher: The Final Days

(1991)

Kenneth Baker

Miss Marple: The Mirror Crack'd from Side to Side

(1992)

Raymond West

Not Even God Is Wise Enough

(1993)

Magistrate

The Beggar Bride

(1997)

Jerry

Greenfingers

(2001)

Royal Horticultural Society President (as Trevor Bowen)

Run, Fatboy, Run

(2007)

Doctor