A noted Shakespearean actor, Portman's stage career dated back to 1924.
Ill health forced him to retire from the stage in early 1968 whilst playing in Galsworthy's "Justice".
In 1923 he joined Robert Courtneidge's Shakespeare Company while it was playing at The Grand Theatre, Leeds. His first speaking part was with the company at the Victoria Theatre, Sunderland in 1924.
In 1942, he was voted one of the top 10 money making film stars in Britain.
Joined the Old Vic Company in 1927.
The Portman and Pickles Public House in Halifax, West Yorkshire is named after Portman and another great talent from the town, Wilfred Pickles.
Was a lifelong bachelor.
Was educated at Rishworth School.
Was nominated for Broadway's 1957 Tony Award as Best Actor (Dramatic) for "Separate Tables.".
Worked for a time as shop assistant in Leeds and in his spare time was a member of the Halifax Opera Society.