Most notable is his biopic Illusion Infinity (aka Paradise, 2004), starring Dee Wallace, Mickey Rooney,[2] Timothy Bottoms, Barbara Carrera, Martin Kove, Theresa Saldana,[3] and Lilyan Chauvin.

In autumn 2018, the shooting of the international feature film, the farce-comedy PhonY, was interrupted due to the unexpected death of lead actor Burt Reynolds.

On stage were Bodo Krumwiede and Florine Elena Deplazes;[7] off-roles were voiced by Christa Rigozzi, Gilles Tschudi, René Rindlisbacher, Heidi Maria Glössner and Bella Neri.

[8][9][10] 2023/24, Steinmann has written three new stageplays: The one-lady drama Teufelskreis and its English adaption Ruthless what is based on the 'survival' of Ruth Madoff; an Agatha Christie-like crime-comedy titled Wenn der Drilling mit der Zwilling; and the one-man satire w.w.Steinzeit and its English adaption w.w.Stoneage about the shaky future of our digitized world.

Four years later, the same play served the popular Swiss folk actor Walter Roderer as was his probably greatest success, on stage as well as in film.

There, he wrote several screenplays on spec, alone but mostly in association, e.g. 'Bum and the Kid' with Scott Steindorff,[20][21] outlines, e.g. ‘Love of my Life’ with Don Mankiewicz, rewrites, e.g. ‘Project: Metalbeast’.

He was able to engage seven well known Hollywood actors: Dee Wallace, Mickey Rooney,[2] Timothy Bottoms, Barbara Carrera, Martin Kove, Theresa Saldana,[3] and Lilyan Chauvin.

Illusion Infinity was labeled as a biopic; however, it was an original screenplay by Steinmann about the supposed real Las Vegas singer Patricia Paradise (played by Dee Wallace) and her life-long search for a genuine soul-mate, and a home she calls ‘Shangri-La’.

[27] But another concept of a screwball comedy fit Angelo's talent even better: A male singer gaining success only when performing as a woman, attracting both a father and his daughter.

[8][9] In addition to the Swiss production, international actors such as Didi Hallervorden, and, shortly before his death[37] Karl Dall along, for the English adaption, Timothy Bottoms, are interested in a respective national premiere[38] In 2020/21, Steinmann actualized his 1986-stage play Achtung-Fertig-Los!

With her husband in jail for life, Ruth laments about her guilt and fate - after all, both her sons Mark and Andrew had ended their lives in grief over their father's record-breaking crime.

[44] 2022: Steinmann's life in his home of choice Phuket was aired in Europe's largest TV-station RTL in three installments within the popular docu-series Die Alltagskämpfer.

[10] Steinmann speaks eight languages: his original Swiss-German, German, French, English and Spanish, and has basic knowledge in Portuguese, Italian, and Thai.